WO2020029132A1 - 混合自动重传请求harq反馈方法及装置 - Google Patents
混合自动重传请求harq反馈方法及装置 Download PDFInfo
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- WO2020029132A1 WO2020029132A1 PCT/CN2018/099453 CN2018099453W WO2020029132A1 WO 2020029132 A1 WO2020029132 A1 WO 2020029132A1 CN 2018099453 W CN2018099453 W CN 2018099453W WO 2020029132 A1 WO2020029132 A1 WO 2020029132A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
Definitions
- the present disclosure relates to the field of communications, and in particular, to a HARQ feedback method and device for hybrid automatic repeat request.
- MTC Machine Type Communication
- MTC Mobile Transmission Control Channel
- PDSCH Physical Downlink Shared Channel
- PUSCH Physical Uplink Shared Channel
- MTC devices need to receive and blindly detect the PDCCH before receiving or sending data.
- an MTC device sends or receives a large data packet, it takes several rounds of scheduling to complete. In most cases, due to the similar channel conditions, the contents of PDCCH scheduling are similar. Even in this case, the user still needs to demodulate each scheduled PDCCH and consume power.
- the 3GPP (the 3rd Generation Partnership Project) release 16 proposed that multiple PDSCHs can be continuously scheduled by one PDCCH in an MTC system.
- the HARQ (Hybrid, Automatic, Repeat, Request) feedback mechanism is the same as traditional LTE.
- a PUCCH is needed for feedback, as shown in Figure 1.
- too many PUCCH resources are consumed, and the feedback time of the device is prolonged, which is not conducive to power saving.
- embodiments of the present disclosure provide a hybrid automatic repeat request HARQ feedback method and device.
- a hybrid automatic repeat request HARQ feedback method is provided.
- the method is used for a machine type communication MTC device.
- the method includes:
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs, and the multiple target PDSCHs are multiple PDSCHs scheduled by the current physical downlink control channel PDCCH ;
- the group HARQ result is used to characterize the multiple target HARQ results
- the target PUCCH is a PUCCH corresponding to a target resource used to carry the HARQ result of the group;
- determining the group HARQ result according to the multiple target HARQ results includes:
- a logical AND operation is performed on the binary values corresponding to the multiple target HARQ results, and the operation results are used as the group HARQ results.
- determining the group HARQ result according to the multiple target HARQ results includes:
- determining the group HARQ result according to the multiple target HARQ results includes:
- channel coding, scrambling, and modulation are sequentially performed to obtain the group HARQ results.
- the determining a target physical uplink control channel PUCCH includes:
- the PUCCH uses the PUCCH indicated by the target index value as the target PUCCH.
- the determining a target index value corresponding to the target resource includes:
- the target starting position is a starting position of a resource corresponding to a PUCCH configured to carry HARQ results and configured by higher-layer signaling
- the target CCE index value is a minimum CCE index value corresponding to the current PDCCH.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- the determining a target physical uplink control channel PUCCH includes:
- a candidate PUCCH corresponding to the target resource is used as the target PUCCH.
- the carrying the group HARQ result through the target resource and sending the target PUCCH to a base station includes:
- the method further includes:
- the carrying the group HARQ result through the target resource and sending the target PUCCH to a base station includes:
- the target HARC result is carried through the target resource, and the target PUCCH is sent to the base station.
- the determining a target feedback time point includes:
- the target subframe is the first valid subframe that is spaced a preset number of subframes from the candidate subframe, and the candidate subframe is the last PDSCH of the multiple PDSCHs scheduled by the current PDCCH;
- the time point at which the target subframe is transmitted is used as the target feedback time point.
- a hybrid automatic repeat request HARQ feedback method is provided.
- the method is used for a machine type communication MTC device.
- the method includes:
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs, and the multiple target PDSCHs are multiple PDSCHs scheduled by the current physical downlink control channel PDCCH ;
- the target PUCCH is a corresponding target resource PUCCH used to carry the group HARQ result, and A group HARQ result and the target resource are used to characterize the multiple target HARQ results;
- multiple candidate PUCCHs are determined in the following ways, including:
- the first index value is a resource index value corresponding to a first candidate PUCCH in the plurality of candidate PUCCHs
- the second target offset is a pre-configured offset indicating a PUCCH resource corresponding to other candidate PUCCH Shift amount
- the other candidate PUCCH is any candidate PUCCH other than the first candidate PUCCH among the plurality of candidate PUCCHs
- the determining the first index value includes:
- the target starting position is a starting position of a resource corresponding to a PUCCH configured to carry HARQ results and configured by higher-layer signaling
- the target CCE index value is a minimum CCE index value corresponding to the current PDCCH.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- the determining a target PUCCH and a group HARQ result among a plurality of candidate physical uplink control channels PUCCH according to the multiple target HARQ results includes:
- one target PUCCH and group HARQ results are determined among multiple candidate PUCCHs.
- the method further includes:
- the multiple pre-processed HARQ results determine a target PUCCH and a pre-processed group HARQ result among multiple candidate physical uplink control channels PUCCH;
- the target PUCCH is a corresponding target resource for carrying the pre-processed group PUCCH of HARQ results, the HARQ results of the preprocessing group and the target resource are used to characterize the multiple preprocessing HARQ results;
- the method further includes:
- the carrying the group HARQ result through the target resource and sending the target PUCCH to a base station includes:
- the target HARC result is carried through the target resource, and the target PUCCH is sent to the base station.
- the determining a target feedback time point includes:
- the target subframe is the first valid subframe that is spaced a preset number of subframes from the candidate subframe, and the candidate subframe is the last PDSCH of the multiple PDSCHs scheduled by the current PDCCH;
- the time point at which the target subframe is transmitted is used as the target feedback time point.
- a hybrid automatic repeat request HARQ feedback device is provided.
- the device is used for a machine type communication MTC device.
- the device includes:
- a first determining module is configured to determine multiple target HARQ results; the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs respectively, and the multiple target PDSCHs are controlled by the current physical downlink Multiple PDSCHs scheduled by the channel PDCCH;
- a second determining module configured to determine a group HARQ result according to the multiple target HARQ results; the group HARQ result is used to characterize the multiple target HARQ results;
- a channel determination module configured to determine a target physical uplink control channel PUCCH; the target PUCCH is a PUCCH corresponding to a target resource for carrying the group HARQ result;
- a first sending module is configured to carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- the second determining module includes:
- a first conversion sub-module configured to convert the plurality of target HARQ results into corresponding binary values respectively according to a preset correspondence between a HARQ result and a binary value
- the first determining sub-module is configured to perform a logical AND operation on binary values corresponding to the multiple target HARQ results, and use the operation result as the group of HARQ results.
- the second determining module includes:
- a second conversion sub-module configured to respectively convert the plurality of target HARQ results into corresponding binary values according to a preset correspondence between a HARQ result and a binary value
- a grouping sub-module configured to group the multiple target HARQ results to obtain multiple HARQ groups
- the second determining submodule is configured to perform a logical AND operation on the binary values corresponding to the respective HARQ results included in each HARQ packet, and use the operation result as the group HARQ result corresponding to the current HARQ packet.
- the second determining module includes:
- the third determining submodule is configured to sequentially arrange the plurality of target HARQ results, and then perform channel coding, scrambling, and modulation in order to obtain the group of HARQ results.
- the channel determination module includes:
- a target index value determination sub-module configured to determine a target index value corresponding to the target resource
- the first channel determination submodule is configured to use the PUCCH indicated by the target index value as the target PUCCH.
- the target index value determination submodule includes:
- a first index value determining unit configured to determine the target index value according to a value corresponding to a target starting position, a CCE index value of a target search space, and a first target offset;
- the target starting position is a starting position of a resource corresponding to a PUCCH configured to carry HARQ results and configured by higher-layer signaling
- the target CCE index value is a minimum CCE index value corresponding to the current PDCCH.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- the channel determination module includes:
- a first receiving submodule configured to receive a PUCCH set including a plurality of candidate PUCCHs sent by the base station through a first target signaling
- a second receiving submodule configured to receive second target signaling sent by the base station, where the second target signaling carries resource indication information used to indicate the target resource;
- the second channel determination sub-module is configured to use the candidate PUCCH corresponding to the target resource as the target PUCCH in the PUCCH set according to the resource indication information.
- the first sending module includes:
- the first sending submodule is configured to carry the group HARQ result through the target resource, and send the target PUCCH to a base station according to a preset format of the PUCCH.
- the apparatus further includes:
- a first feedback time determination module configured to determine a target feedback time point
- the first sending module includes:
- the second sending submodule is configured to, when the target feedback time point is reached, carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- the first feedback time determination module includes:
- the first subframe determining submodule is configured to determine a target subframe; the target subframe is the first valid subframe with a preset number of subframes spaced from the candidate subframe, and the candidate subframe is the current PDCCH The subframe in which the last PDSCH among the plurality of PDSCHs is located;
- the first feedback time determination sub-module is configured to use a time point at which a target subframe is transmitted as the target feedback time point.
- a hybrid automatic repeat request HARQ feedback device is provided.
- the device is used for a machine type communication MTC device.
- the device includes:
- a third determination module is configured to determine multiple target HARQ results; the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs respectively, and the multiple target PDSCHs are controlled by the current physical downlink Multiple PDSCHs scheduled by the channel PDCCH;
- a fourth determining module is configured to determine a target PUCCH and a group HARQ result among a plurality of candidate physical uplink control channels PUCCH according to the multiple target HARQ results;
- the target PUCCH is a corresponding target resource for carrying PUCCH of a group of HARQ results, the group of HARQ results and the target resource are used to characterize the multiple target HARQ results;
- a second sending module is configured to carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- the fourth determining module includes:
- a first index value determination submodule configured to determine a first index value, where the first index value is a resource index value corresponding to a first candidate PUCCH in the plurality of candidate PUCCHs;
- a second channel determination submodule configured to use the PUCCH indicated by the first index value as the first candidate PUCCH
- a second index value determination sub-module is configured to determine a second index value according to the first index value and a second target offset; wherein the second target offset is a pre-configured instruction for An offset of a PUCCH resource corresponding to another candidate PUCCH, where the other candidate PUCCH is any one of the plurality of candidate PUCCH except the first candidate PUCCH;
- the third channel determination submodule is configured to use the PUCCH indicated by the second index value as the other candidate PUCCH.
- the first index value determination submodule includes:
- a second index value determining unit configured to determine the first index value according to a value corresponding to a target start position, a CCE index value of a target search space, and a first target offset;
- the target starting position is a starting position of a resource corresponding to a PUCCH configured to carry HARQ results and configured by higher-layer signaling
- the target CCE index value is a minimum CCE index value corresponding to the current PDCCH.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- the fourth determining module includes:
- a fourth determination submodule is configured to determine a target PUCCH and a group HARQ result among a plurality of candidate PUCCHs according to a preset mapping relationship between multiple target HARQ results, target resources, and group HARQ results.
- the apparatus further includes:
- a grouping module configured to group the multiple target HARQ results to obtain multiple HARQ groups if the total number of the multiple target HARQ results exceeds a preset number
- the preprocessing result determination module is configured to determine a preprocessing HARQ result corresponding to each HARQ packet according to all target HARQ results included in each HARQ packet;
- a fifth determining module is configured to determine a target PUCCH and a preprocessing group HARQ result among a plurality of candidate physical uplink control channels PUCCH according to the multiple preprocess HARQ results; the target PUCCH is a corresponding target resource A PUCCH for carrying the HARQ results of the preprocessing group, the HARQ results of the preprocessing group and the target resource are used to characterize the multiple preprocessing HARQ results;
- a third sending module is configured to carry the HARQ result of the preprocessing group through the target resource, and send the target PUCCH to a base station.
- the apparatus further includes:
- a second feedback time determination module configured to determine a target feedback time point
- the second sending module includes:
- the third sending submodule is configured to, when the target feedback time point is reached, carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- the second feedback time determination module includes:
- the second subframe determining submodule is configured to determine a target subframe; the target subframe is the first valid subframe that is spaced a preset number of subframes from the candidate subframe, and the candidate subframe is the current PDCCH The subframe in which the last PDSCH among the plurality of PDSCHs is located;
- the second feedback time determination sub-module is configured to use a time point at which a target subframe is transmitted as the target feedback time point.
- a computer-readable storage medium stores a computer program for performing the hybrid automatic repeat request HARQ feedback method according to the first aspect. .
- a computer-readable storage medium stores a computer program for performing the hybrid automatic repeat request HARQ feedback method according to the second aspect. .
- a hybrid automatic repeat request HARQ feedback device is provided.
- the device is used for a machine type communication MTC device, and includes:
- Memory for storing processor-executable instructions
- the processor is configured to:
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs, and the multiple target PDSCHs are multiple PDSCHs scheduled by the current physical downlink control channel PDCCH ;
- the group HARQ result is used to characterize the multiple target HARQ results
- the target PUCCH is a PUCCH corresponding to a target resource used to carry the HARQ result of the group;
- a hybrid automatic repeat request HARQ feedback device is provided.
- the device is used for a machine type communication MTC device, and includes:
- Memory for storing processor-executable instructions
- the processor is configured to:
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs, and the multiple target PDSCHs are multiple PDSCHs scheduled by the current physical downlink control channel PDCCH ;
- the target PUCCH is a corresponding target resource PUCCH used to carry the group HARQ result, and A group HARQ result and the target resource are used to characterize the multiple target HARQ results;
- the machine-type communication MTC device may first determine multiple target HARQ results, where the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channels PDSCH, and the multiple targets The PDSCH is a plurality of PDSCHs scheduled by the current physical downlink control channel PDCCH. Further, the MTC device may determine a group HARQ result according to the multiple target HARQ results. In an embodiment of the present disclosure, the multiple HARQ results may be directly characterized by the multiple target HARQ results. The MTC device then carries the group HARQ result through the target resource corresponding to the target PUCCH, and sends the target PUCCH to the base station.
- multiple target HARQ results can be characterized by a group of HARQ results, which improves the efficiency of HARQ feedback in the MTC system, reduces the consumption of PUCCH resources, and helps save the power of MTC equipment.
- the MTC device may respectively convert the multiple target HARQ results into corresponding binary values according to a preset correspondence between a HARQ result and a binary value. Further, the MTC device may perform multiple target HARQ on the multiple target HARQ results. A logical AND operation is performed on the binary values corresponding to the results, and the operation result is finally used as the group HARQ result. The purpose of representing multiple target HARQ results by a group of HARQ results is achieved, and the availability is high.
- the multiple target HARQ results may be grouped, and a logical AND operation is performed on the binary values corresponding to the target HARQ results included in each HARQ group. Therefore, the operation result is used as the group HARQ result corresponding to the current HARQ group.
- multiple target HARQ results may be grouped, thereby determining a group HARQ result corresponding to each HARQ group, and the availability is high.
- the MTC device may directly arrange multiple target HARQ results in sequence, and then perform channel coding, scrambling, and modulation in order to obtain the group of HARQ results.
- each target HARQ result in multiple target HARQs can be accurately reported, and the reported results are more accurate, and the efficiency of HARQ feedback in the MTC system is improved, the consumption of PUCCH resources is reduced, and it is beneficial to save MTC equipment. power.
- the MTC device may first determine a target index value for the target resource, and then use the PUCCH indicated by the target index value as the target PUCCH.
- the target index value may be determined according to a value corresponding to the target starting position, a target search space CCE index value, and a first target offset.
- the MTC device may further receive a PUCCH set including multiple candidate PUCCHs sent by the base station through the first target signaling. Further, the MTC device receives the second target signaling sent by the base station, and the second target signaling carries resource indication information indicating the target resource. At this time, the MTC device may, based on the resource indication information, in the PUCCH Determine the target PUCCH in the set. Through the above process, the MTC device can quickly determine the target PUCCH according to the signaling issued by the base station, which is simple to implement and has high availability.
- the target PUCCH may be sent according to a preset format of the PUCCH to implement It is simple and improves the efficiency of HARQ feedback in the MTC system.
- the MTC device may also determine a target feedback time point, and when the target feedback time point is reached, the target HARC result is carried through the target resource, and the target PUCCH is sent to the base station.
- the MTC device may use the first valid subframe with a preset number of subframes spaced from the candidate subframe as a target subframe, where the candidate subframe is among a plurality of PDSCHs scheduled by the current PDCCH.
- the MTC device may use the time point at which the target subframe is transmitted as the target feedback time point to feed back multiple target HARQ results.
- the MTC device may also first determine multiple target HARQ results, where the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs respectively, and the multiple target PDSCHs are Multiple PDSCHs scheduled by the current physical downlink control channel PDCCH.
- the MTC device determines a target PUCCH and a group HARQ result among multiple candidate physical uplink control channels PUCCH according to the multiple target HARQ results.
- the target PUCCH is a PUCCH whose corresponding target resource is used to carry a group HARQ result
- the multiple target HARQ results may be characterized by the group HARQ result and the target resource at the same time.
- the MTC device carries the group HARQ result through the target resource, and sends the target PUCCH to a base station.
- the purpose of simultaneously characterizing the multiple target HARQ results by the target HARQ result and the target PUCCH corresponding resource is achieved, further saving target resources, and improving the efficiency of HARQ feedback in the MTC system, which is beneficial to Save power of MTC equipment.
- the MTC device when determining a plurality of candidate PUCCHs, may first determine a first index value, and the PUCCH indicated by the first index value is used as the first candidate PUCCH among the plurality of candidate PUCCHs, and then A second index value is determined, and the PUCCH indicated by the second index value is used as the other candidate PUCCH.
- the MTC device can determine multiple candidate PUCCHs, and subsequently, one of the multiple candidate PUCCHs can be selected as the target PUCCH, which has high availability.
- the MTC device may determine a target PUCCH and a group HARQ result among multiple candidate PUCCHs according to preset mapping relationships between multiple target HARQ results, target resources, and group HARQ results. In this way, the MTC device characterizes the candidate HARQ results by the target PUCCH, and the remaining target HARQ results are characterized by the group HARQ, which achieves the purpose of simultaneously characterizing the multiple target HARQ results by the group HARQ result and the target resource corresponding to the target PUCCH. Save target resources.
- the multiple target HARQ results may be grouped to obtain multiple HARQ groups. Then, according to all target HARQ results included in each HARQ packet, a pre-processed HARQ result corresponding to each HARQ packet is determined.
- a target PUCCH and a preprocessing group HARQ result are determined among multiple candidate physical uplink control channels PUCCH according to multiple preprocessing HARQ results, and then the preprocessing group HARQ is carried by the target resource. As a result, the target PUCCH is transmitted to the base station.
- the target resources corresponding to the HARQ results of the preprocessing group and the target PUCCH can be used to characterize multiple preprocessed HARQ results corresponding to multiple HARQ packets, thereby saving target resources.
- Fig. 1 is a schematic diagram of an existing hybrid automatic repeat request HARQ feedback scenario according to an exemplary embodiment.
- Fig. 2 is a flowchart of a HARQ feedback method for a hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 3 is a flow chart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 4 is a schematic diagram illustrating another HARQ feedback scenario of a hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 5 is a flowchart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 6 is a schematic diagram illustrating another HARQ feedback scenario of a hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 7 is a flowchart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 8 is a flow chart showing another HARQ feedback method for a hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 9 is a flowchart illustrating another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 10 is a flowchart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 11 is a flowchart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 12 is a flowchart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 13 is a flow chart showing a HARQ feedback feedback method for a hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 14 is a flowchart of a HARQ feedback method for a hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 15 is a flowchart of another HARQ feedback method for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 16 is a block diagram of a device for hybrid automatic repeat request HARQ feedback according to an exemplary embodiment.
- Fig. 17 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 18 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 19 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 20 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 21 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 22 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 23 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 24 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 25 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 26 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 27 is a block diagram of another HARQ feedback apparatus for hybrid automatic repeat request according to an exemplary embodiment.
- Fig. 28 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus according to an exemplary embodiment of the present disclosure.
- Fig. 29 is a block diagram of another HARQ feedback apparatus for hybrid automatic retransmission request according to an exemplary embodiment of the present disclosure.
- Fig. 30 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus according to an exemplary embodiment of the present disclosure.
- Fig. 31 is a block diagram of another HARQ feedback apparatus for a hybrid automatic repeat request according to an exemplary embodiment of the present disclosure.
- Fig. 32 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus according to an exemplary embodiment of the present disclosure.
- Fig. 33 is a schematic structural diagram of a HARQ feedback device for a hybrid automatic repeat request according to an exemplary embodiment of the present disclosure.
- first, second, third, etc. may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
- word “if” as used herein can be interpreted as “at” or "when” or "in response to determination”.
- FIG. 2 is a flowchart of a HARQ feedback method for a hybrid automatic repeat request according to an exemplary embodiment, which may include the following steps:
- step 101 multiple target HARQ results are determined; the multiple target HARQ results are the HARQ results corresponding to the multiple target physical downlink shared channels PDSCH, and the multiple target PDSCHs are determined by the current physical downlink control channel PDCCH. Multiple PDSCHs scheduled;
- a group HARQ result is determined according to the multiple target HARQ results; the group HARQ results are used to characterize the multiple target HARQ results;
- a target physical uplink control channel PUCCH is determined; the target PUCCH is a PUCCH whose corresponding target resource is used to carry the HARQ result of the group;
- step 104 the group HARQ result is carried by the target resource, and the target PUCCH is sent to a base station.
- multiple target HARQ results can be characterized by a group of HARQ results, which improves the efficiency of HARQ feedback in the MTC system, reduces the consumption of PUCCH resources, and is beneficial to saving the power of MTC equipment.
- the current PDCCH can schedule multiple consecutive PDSCHs at the same time, and the MTC device can determine the HARQ result corresponding to each PDSCH respectively according to the related technology.
- the HARQ result corresponding to each PDSCH may be ACK (ACKnowledgement, correct) or NACK (Negative ACKnowledgment, error).
- the MTC device may use any one of the following schemes to determine the group HARQ result based on the multiple target HARQ results:
- a logical AND operation is performed on binary values corresponding to multiple target HARQ results, and the operation results are used as the group HARQ results.
- FIG. 3 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 2.
- Step 102 may include the following steps:
- step 102-11 the plurality of target HARQ results are respectively converted into corresponding binary values according to a preset correspondence between the HARQ results and the binary values;
- the MTC device may preset a correspondence between a HARQ result and a binary value, as shown in Table 1.
- the MTC device can convert multiple target HARQ results into corresponding binary values according to Table 1.
- the results of multiple target HARQs are: ACK, NACK, NACK, and ACK, and then converted to binary: 1, 0, 0, and 1.
- step 102-12 a logical AND operation is performed on the binary values corresponding to the multiple target HARQ results, and the operation results are used as the group HARQ results.
- the MTC device may perform a logical AND operation on the binary values corresponding to the respective multiple HARQ results determined in steps 102-11 above, and use the operation result as the group of HARQ results.
- the binary values corresponding to the multiple HARQ results are: 1, 0, 0, 1, and after performing a logical AND operation, the operation result is 0, that is, the group HARQ result is 0.
- the group HARQ result is 1 only when multiple target HARQ results are all 1, otherwise the group HARQ result is 0. If the base station side receives a group HARQ result of 1, the MTC device successfully receives all target PDSCHs scheduled by the current PDCCH, otherwise it indicates that the MTC device has not successfully received all target PDSCHs scheduled by the current PDCCH.
- the MTC device performs a logical AND operation on the binary values corresponding to the multiple target HARQ results, and finally uses the operation results as the group HARQ results.
- the purpose of representing multiple target HARQ results by a group of HARQ results is achieved, and the availability is high.
- a logical AND operation is performed on the binary values corresponding to the target HARQ results included in each HARQ packet, and the operation result is used as the group HARQ result corresponding to the current HARQ packet.
- FIG. 5 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 2.
- Step 102 may include the following steps:
- steps 102-21 the plurality of target HARQ results are respectively converted into corresponding binary values according to a preset correspondence between the HARQ results and the binary values;
- This step is the same as the implementation of steps 102-11 described above, and details are not described herein again.
- steps 102-22 grouping the multiple target HARQ results to obtain multiple HARQ packets
- the multiple target HARQ results may be grouped to obtain multiple HARQ groups.
- the total number of multiple target HARQ results is 4, which can be evenly divided into two groups, each group including 2 target HARQ results.
- steps 102-23 a logical AND operation is performed on the binary values corresponding to the respective HARQ results included in each HARQ packet, and the operation result is used as the group HARQ result corresponding to the current HARQ packet.
- the binary values corresponding to multiple target HARQ results are: 1, 0, 1, 1, and divided into two groups
- the binary values corresponding to the target HARQ results included in HARQ packet 1 It is 1 and 0, and the corresponding binary values of the target HARQ result included in HARQ packet 2 are 1 and 1.
- the operation result corresponding to HARQ packet 1 is 0, that is, the HARQ result corresponding to HARQ packet 1 is 0; the operation result corresponding to HARQ packet 2 is 1, that is, the HARQ packet 1 corresponds to The group HARQ result was 1.
- the base station side receives a HARQ result corresponding to HARQ packet 1 as 0, indicating that the MTC device did not successfully receive the first two target PDSCHs scheduled by the current PDCCH, and the base station side received the group corresponding to HARQ packet 2.
- the HARQ result is 1, indicating that the MTC device successfully received the last 2 target PDSCHs scheduled by the current PDCCH.
- the MTC device may group multiple target HARQ results, thereby determining a group HARQ result corresponding to each HARQ group, and having high availability.
- the MTC device can directly arrange multiple target HARQ results in sequence, and then perform channel coding, scrambling, and modulation in accordance with related technologies to obtain a group HARQ result. All target HARQ results are now included in the group HARQ results.
- the reporting result is more accurate, and the efficiency of HARQ feedback in the MTC system is improved, the consumption of PUCCH resources is reduced, and it is beneficial to save the power of MTC equipment.
- the MTC device may use any of the following schemes to determine a target PUCCH:
- the first solution is to determine a target index value corresponding to the target resource, and use the PUCCH indicated by the target index value as the target PUCCH.
- FIG. 7 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 2.
- Step 103 may include the following steps:
- step 103-11 a target index value corresponding to the target resource is determined.
- the target index value may be determined according to a value corresponding to a target start position, a target search space CCE index value, and a first target offset.
- a value corresponding to the target starting position, a target search space CCE index value, and a sum of the first target offset may be calculated, and the sum value is used as the target index value.
- other calculation methods may be adopted, and the target index value is calculated according to the value corresponding to the target start position, the target search space CCE index value, and the first target offset, which is not limited in this disclosure.
- the target starting position is the high-level signaling, for example, the starting position of the resource corresponding to the PUCCH configured to carry the HARQ result configured by RRC signaling.
- the MTC device has 50 PUCCH resources, but it starts from the 25th PUCCH. Only the resources of PUCCH can be used to carry HARQ results, so the value corresponding to the target starting position is 25.
- the target CCE index is the smallest CCE index value corresponding to the current PDCCH.
- the pre-configured CCE index set corresponding to the current PDCCH is ⁇ 4,5,6,7 ⁇ , then the smallest CCE index value is 4, then the target CCE index is 4.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- the base station may configure an offset set for the current PDCCH through RRC signaling in advance, and then the PDCCH indicates an offset in the offset set as the first target offset.
- the pre-configured offset set of the base station is ⁇ 2,4,6,8 ⁇ , and the current PDCCH indicates 2 as the first target offset in the set.
- the MTC device may perform calculation according to the following formula 1 to obtain a target index value n_PUCCH.
- n_PUCCH N_PUCCH + n_CCE + ARO, Equation 1
- N_PUCCH is the value corresponding to the target starting position
- n_CCE is the target CCE index value
- ARO is the first target offset
- step 103-12 the PUCCH indicated by the target index value is used as the target PUCCH.
- the MTC device uses the PUCCH indicated by the target index value as the target PUCCH, that is, the 31st PUCCH as the target PUCCH.
- the MTC device may first determine a target index value for the target resource, and then use the PUCCH indicated by the target index value as the target PUCCH.
- the target index value may be determined according to a value corresponding to the target starting position, a target search space CCE index value, and a first target offset.
- a target PUCCH is determined in a PUCCH set including multiple candidate PUCCHs.
- FIG. 8 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 2.
- Step 103 may include the following steps:
- steps 103-21 a PUCCH set including a plurality of candidate PUCCHs sent by the base station through the first target signaling is received;
- the first target signaling may be RRC signaling
- the base station sends a PUCCH set to the MTC device through the RRC signaling
- the PUCCH set includes multiple candidate PUCCHs.
- the PUCCH set may be ⁇ n_PUCCH1, n_PUCCH2, n_PUCCH3, n_PUCCH4 ⁇ .
- step 103-22 receiving second target signaling sent by the base station, where the second target signaling carries resource indication information used to indicate the target resource;
- the MTC device may also receive second target signaling sent by the base station, where the second target signaling carries resource indication information used to indicate the target resource.
- the second target signaling may be DCI signaling.
- a candidate PUCCH corresponding to the target resource is used as the target PUCCH.
- the base station may determine the target PUCCH in the PUCCH set according to the previous resource indication information. For example, if the target resource indicated by the resource indication information carried in the DCI signaling is the resource corresponding to n_PUCCH1, the MTC device uses n_PUCCH1 as the target PUCCH.
- the MTC device can quickly determine the target PUCCH according to the signaling issued by the base station, which is simple to implement and has high availability.
- the MTC device may carry the group HARQ result through the target resource corresponding to the target PUCCH according to the related technology, and send the target PUCCH to the base station according to a preset format of the PUCCH in the related technology.
- the group HARQ result may be BPSK-modulated according to related technologies, and Sending the target PUCCH to the base station in a PUCCH format (format) 1a.
- the MTC device performs a logical AND operation on the binary values corresponding to the respective HARQ results included in each HARQ group, and uses the operation result as the group HARQ result corresponding to the current HARQ group, it can correspond to all HARQ groups according to related technologies.
- the group HARQ result of the QPSK modulation is performed, and then the target PUCCH is sent to the base station in a PUCCH format1b manner.
- the MTC device may send the target PUCCH to the base station in a PUCCH format3 manner.
- the target PUCCH may be sent according to a preset format of the PUCCH, which is simple and convenient to implement, It also improves the efficiency of HARQ feedback in the MTC system.
- FIG. 9 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 2.
- the above method may further include the following steps:
- step 105 a target feedback time point is determined
- the MTC device may determine a time point when the HARQ result of the group needs to be fed back.
- step 104 may include:
- the target HARC result is carried through the target resource, and the target PUCCH is sent to the base station.
- the target HARC result corresponding to the target PUCCH can be used to carry the above-mentioned group of HARQ results, and the target PUCCH is sent to the base station.
- FIG. 10 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 9, and step 105 may include the following steps:
- a target subframe is determined; the target subframe is the first valid subframe with a preset number of subframes spaced from the candidate subframe, and the candidate subframe is a multiple scheduled by the current PDCCH.
- the MTC device may use the first valid subframe with a preset number of subframes spaced from the candidate subframe as the target subframe, where the candidate subframe is the last PDSCH of the multiple PDSCHs scheduled by the current PDCCH.
- the target subframe can be a preset number of subframes spaced from the candidate subframes.
- the first valid sub-frame that is, the target sub-frame may be the first sub-frame spaced from the candidate sub-frames by a preset number of sub-frames and scheduled to the MTC system.
- the preset number of subframes can be four.
- the number of preset subframes can be determined according to the TDD subframe configuration. For example, in the TDDMTC system, it is specified in advance that the second, fourth, sixth, and eighth subframes after the candidate subframes can be used for HARQ feedback, and the MTC device can then use the DCI signal issued by the base station. Let the number of preset subframes be determined, for example, the number of preset subframes is 2, the MTC device uses the second subframe after the candidate subframe as the target subframe.
- step 105-2 the time point at which the target subframe is transmitted is used as the target feedback time point.
- the MTC system directly uses the time point of sending the target subframe as the target feedback time point according to the related technology.
- multiple target HARQ results can be reported to the base station uniformly, which improves the efficiency of HARQ feedback in the MTC system and reduces the consumption of PUCCH resources. It is beneficial to save the power of MTC equipment.
- the MTC device may respectively convert the multiple target HARQ results into corresponding binary values according to a preset correspondence between a HARQ result and a binary value. Further, the MTC device may separately perform conversion on the multiple target HARQ results. The corresponding binary value is subjected to a logical AND operation, and the operation result is finally used as the group HARQ result. The MTC device performs BPSK adjustment on the group HARQ results, and then sends the target PUCCH to the base station according to the PUCCH format 1a, as shown in FIG. 4.
- the MTC device may group multiple HARQ results and perform a logical AND operation on the binary values corresponding to the respective HARQ results included in each HARQ group, so as to use the operation result as the group HARQ result corresponding to the current HARQ group.
- the MTC device performs QPSK adjustment on the group HARQ result corresponding to each HARQ packet, and then sends the target PUCCH to the base station according to the PUCCH format 1b, for example, as shown in FIG. 6.
- the MTC device will bear the group HARQ result through the target resource when the target feedback time point is reached, and send the target PUCCH to the base station.
- the method for determining the target feedback time point is shown in FIG. 10, which is not repeated here.
- the MTC device may determine the target PUCCH by using the above formula 1.
- the MTC device may also receive the first target signaling sent by the base station, determine the PUCCH set, and then determine the target PUCCH in the PUCCH set according to the second target signaling sent by the base station.
- the MTC device may directly arrange the multiple HARQ results in sequence, and then perform channel coding, scrambling, and modulation in order to obtain the group of HARQ results. Subsequently, the target PUCCH is sent to the base station according to the PUCCH format.
- the MTC device will bear the group HARQ result through the target resource when the target feedback time point is reached, and send the target PUCCH to the base station.
- the method for determining the target feedback time point is shown in FIG. 10, which is not repeated here.
- the MTC device may determine the target PUCCH by using the above formula 1.
- the MTC device may also receive the first target signaling sent by the base station, determine the PUCCH set, and then determine the target PUCCH in the PUCCH set according to the second target signaling sent by the base station.
- multiple target HARQ results are characterized only by group HARQ results.
- multiple target HARQ results may also be characterized by group HARQ results and target resources at the same time.
- the implementation manner is as follows.
- FIG. 11 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to an exemplary embodiment, which may include the following steps:
- step 201 multiple target HARQ results are determined; the multiple target HARQ results are the HARQ results corresponding to the multiple target physical downlink shared channels PDSCH, and the multiple target PDSCHs are determined by the current physical downlink control channel PDCCH. Multiple PDSCHs scheduled;
- a target PUCCH and a group HARQ result are determined in a plurality of candidate physical uplink control channels PUCCH according to the multiple target HARQ results;
- the target PUCCH is a corresponding target resource for carrying the group PUCCH of HARQ results, the set of HARQ results and the target resource are used to characterize the multiple target HARQ results;
- step 203 the group HARQ result is carried by the target resource, and the target PUCCH is sent to a base station.
- the purpose of characterizing the multiple target HARQ results by simultaneously grouping HARQ results and target PUCCH target resources is achieved, further saving target resources and improving the efficiency of HARQ feedback in the MTC system, which is beneficial to saving The power of the MTC device.
- the current PDCCH can schedule multiple consecutive PDSCHs at the same time, and the MTC device can determine the HARQ results corresponding to each PDSCH respectively according to related technologies.
- the HARQ result corresponding to each PDSCH may be ACK or NACK.
- the MTC device may first determine multiple candidate PUCCHs.
- FIG. 12 is another HARQ feedback method flow of the hybrid automatic retransmission request according to the embodiment shown in FIG. 11.
- the process of determining multiple candidate PUCCHs may include the following steps:
- a first index value is determined, where the first index value is a resource index value corresponding to a first candidate PUCCH in the plurality of candidate PUCCHs;
- the first index value may be determined according to a value corresponding to a target starting position, a CCE index value of a target search space, and a first target offset.
- a value corresponding to the target starting position, a target search space CCE index value, and a sum of the first target offset may be calculated, and the sum is used as the first index value.
- other calculation methods may be adopted to calculate the first index value according to the value corresponding to the target starting position, the CCE index value of the target search space, and the first target offset, which is not limited in this disclosure.
- the target starting position is a high-level signaling, for example, a starting position of a resource corresponding to a PUCCH configured to carry a HARQ result configured by RRC signaling, and the target CCE index value is a minimum corresponding to the current PDCCH.
- the CCE index value of the, the first target offset is an offset of a PUCCH resource carried by the current PDCCH for feedback of a HARQ result;
- the MTC device may calculate the first index value n_PUCCH1 according to the following formula 1.
- n_PUCCH1 N_PUCCH + n_CCE + ARO, Equation 2
- N_PUCCH is the value corresponding to the target starting position
- n_CCE is the target CCE index value
- ARO is the first target offset
- step 202-2 the PUCCH indicated by the first index value is used as the first candidate PUCCH
- the MTC device uses the PUCCH indicated by the first index value as the first candidate PUCCH among multiple candidate PUCCHs, that is, the 31st PUCCH As the first candidate PUCCH among multiple candidate PUCCHs.
- a second index value is determined according to the first index value and the second target offset
- the second target offset is a pre-configured offset indicating a PUCCH resource corresponding to other candidate PUCCH, and the other candidate PUCCH is the plurality of candidate PUCCH. Any one of the candidate PUCCH except the first candidate PUCCH.
- the second target offset may be specified in the protocol in advance and written into the underlying system of the MTC device; or the second target offset may be configured by the base station to the MTC through the first target signaling, such as RRC signaling Or the second target offset may be indicated by the base station to the MTC device through second target signaling, such as DCI signaling.
- n_PUCCHi N_PUCCH + n_CCE + ARO + offseti, Equation 3
- N_PUCCH is the target starting position
- n_CCE is the target CCE index
- ARO is the first target offset
- offseti is the second target offset.
- step 202-4 the PUCCH indicated by the second index value is used as the other candidate PUCCH.
- the MTC device may determine other candidate PUCCHs according to Formula 3.
- two candidate PUCCHs may be determined according to formulas 2, 2 and 3, respectively:
- n_PUCCH 1 N_PUCCH + n_CCE + ARO;
- n_PUCCH 2 N_PUCCH + n_CCE + ARO + offset2.
- three candidate PUCCHs can be determined according to formula 2 and formula 3, respectively:
- n_PUCCH 1 N_PUCCH + n_CCE + ARO;
- n_PUCCH 2 N_PUCCH + n_CCE + ARO + offset2;
- n_PUCCH3 N_PUCCH + n_CCE + ARO + offset3.
- multiple target HARQ results may be grouped, and multiple candidate PUCCHs may be determined for each HARQ group.
- n_PUCCH 1 N_PUCCH + n_CCE + ARO;
- n_PUCCH 2 N_PUCCH + n_CCE + ARO + offset2;
- n_PUCCH3 N_PUCCH + n_CCE + ARO + offset3;
- n_PUCCH 4 N_PUCCH + n_CCE + ARO + offset4.
- a target PUCCH may be selected from the plurality of candidate PUCCHs.
- the target PUCCH may be selected according to multiple target HARQ results, target resources, and group HARQ results.
- the preset mapping relationship among the multiple PUCCH candidates determines a target PUCCH and a group HARQ result.
- the MTC device may directly determine a target PUCCH and a group HARQ result among multiple candidate PUCCHs according to Table 2. For example, if multiple target HARQ results are 0, 1, the group HARQ result is 0, and the target resource is n_PUCCH2.
- the MTC device may bear the group HARQ result through the target resource according to the related technology, and send the target PUCCH to the base station.
- FIG. 13 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 11. The above method may further include the following steps:
- step 204 if the total number of the multiple target HARQ results exceeds a preset number, grouping the multiple target HARQ results to obtain multiple HARQ groups;
- the MTC device may group the multiple target HARQ results to obtain multiple HARQ groups when the total number of multiple target HARQ results is greater than a preset number, such as four.
- a preset number such as four.
- multiple HARQ packets can be divided evenly.
- step 205 the pre-processed HARQ result corresponding to each HARQ packet is determined according to all target HARQ results included in each HARQ packet;
- all target HARQ results included in each HARQ packet may be converted into binary values, and then a logical AND operation is performed, and the operation result is used as a pre-processed HARQ result corresponding to the current HARQ packet.
- all the target HARQ results included in the current HARQ packet are: ACK, NACK, and then converted to binary: 1, 0.
- the pre-processed HARQ result corresponding to the current HARQ packet is 0.
- a target PUCCH and a pre-processed group HARQ result are determined among multiple candidate physical uplink control channels PUCCH; the target PUCCH is a corresponding target resource for carrying.
- the PUCCH of the HARQ results of the preprocessing group, the HARQ results of the preprocessing group and the target resource are used to characterize the multiple preprocessing HARQ results;
- the MTC device may determine a target PUCCH and a HARQ result of the preprocessing group according to multiple preset mapping relationships of the preprocessing HARQ result, the target resource, and the HARQ result of the preprocessing group.
- the target resource carries the HARQ result of the preprocessing group, and sends the target PUCCH to the base station.
- the MTC device may carry the HARQ result of the preprocessing group through the target resource, and send the target PUCCH to the base station.
- FIG. 14 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 11. The above method may further include the following steps:
- step 208 a target feedback time point is determined
- the MTC device may determine a time point when the HARQ result of the group needs to be fed back.
- step 203 may include:
- the target HARC result is carried through the target resource, and the target PUCCH is sent to the base station.
- the target HARC result corresponding to the target PUCCH can be used to carry the above-mentioned group of HARQ results, and the target PUCCH is sent to the base station.
- FIG. 15 is a flowchart of another HARQ feedback method for hybrid automatic retransmission request according to the embodiment shown in FIG. 14.
- Step 208 may include the following steps:
- a target subframe is determined; the target subframe is the first valid subframe with a preset number of subframes spaced from the candidate subframe, and the candidate subframe is a multiple scheduled by the current PDCCH.
- the MTC device may use the first valid subframe with a preset number of subframes spaced from the candidate subframe as the target subframe, where the candidate subframe is the last PDSCH of the multiple PDSCHs scheduled by the current PDCCH.
- the target subframe can be a preset number of subframes spaced from the candidate subframes.
- the first valid sub-frame that is, the target sub-frame may be the first sub-frame spaced from the candidate sub-frames by a preset number of sub-frames and scheduled to the MTC system.
- the preset number of subframes can be four.
- the number of preset subframes can be determined according to the TDD subframe configuration. For example, in the TDDMTC system, it is specified in advance that the second, fourth, sixth, and eighth subframes after the candidate subframes can be used for HARQ feedback, and the MTC device can then use the DCI signal issued by the base station. Let the number of preset subframes be determined, for example, the number of preset subframes is 2, the MTC device uses the second subframe after the candidate subframe as the target subframe.
- step 208-2 the time point at which the target subframe is transmitted is used as the target feedback time point.
- the MTC system directly uses the time point of sending the target subframe as the target feedback time point according to the related technology.
- multiple target HARQ results can be reported to the base station uniformly, which improves the efficiency of HARQ feedback in the MTC system and reduces the consumption of PUCCH resources It is beneficial to save the power of MTC equipment.
- the foregoing hybrid automatic retransmission request HARQ feedback method for characterizing multiple target HARQ results by using a target resource and a group HARQ result simultaneously provided in the embodiment of the present disclosure is further illustrated as follows.
- Example 3 the total number of multiple target HARQ results is 2, and the MTC device determines two candidate PUCCHs according to the above formula 2 and formula 3 as follows:
- n_PUCCH 1 N_PUCCH + n_CCE + ARO;
- n_PUCCH 2 N_PUCCH + n_CCE + ARO + offset2.
- One target HARQ result is fed back through the target resource, and another target HARQ result is fed back through the group HARQ result carried by the target PUCCH.
- the preset mapping relationship between multiple target HARQ results, target resources, and group HARQ results is shown in Table 2 above. As shown.
- the group HARQ result is 1, that is, X is 1, and the target resource is n_PUCCH2.
- the MTC device determines three candidate PUCCHs according to the above formula 2 and formula 3 as follows:
- n_PUCCH 1 N_PUCCH + n_CCE + ARO;
- n_PUCCH 2 N_PUCCH + n_CCE + ARO + offset 2;
- n_PUCCH3 N_PUCCH + n_CCE + ARO + offset3.
- the two target HARQ results are fed back through group HARQ results, and the other target HARQ result can be fed back through target resources.
- Table 4 lists preset mapping relationships between multiple target HARQ results, target resources, and group HARQ results.
- the group HARQ result is 1 and 0, that is, X and Y are 1, 0, and the target resource is n_PUCCH 2.
- the MTC device determines 4 candidate PUCCHs according to the above formula 2 and formula 3 as follows:
- n_PUCCH 1 N_PUCCH + n_CCE + ARO;
- n_PUCCH 2 N_PUCCH + n_CCE + ARO + offset 2;
- n_PUCCH3 N_PUCCH + n_CCE + ARO + offset3;
- n_PUCCH 4 N_PUCCH + n_CCE + ARO + offset 4.
- the two target HARQ results are fed back through group HARQ results, and the other two target HARQ results can be fed back through target resources.
- Table 5 shows the preset mapping relationships between multiple target HARQ results, target resources, and group HARQ results.
- the group HARQ results are 1 and 0, that is, X and Y are 1, 0, and the target resource is n_PUCCH 4.
- target HARQ results when there are more than 4 target HARQ results, for example, there are 8 target HARQ results, at this time, grouping is needed, and the average is divided into 4 groups. After converting the target HARQ result included in each HARQ packet into the corresponding binary, the logical AND operation is performed, and 4 operation results are added to obtain 4 pre-processed HARQ results corresponding to the HARQ packet.
- the target PUCCH can be selected according to Table 6 and the HARQ results of the preprocessing group can be fed back.
- the pre-processed HARQ results are 00, that is, X and Y are 0 and 0, and the target resource is n_PUCCH3.
- the purpose of simultaneously characterizing the multiple target HARQ results by the target HARQ result and the target PUCCH corresponding resource is achieved, further saving target resources, and improving the efficiency of HARQ feedback in the MTC system, which is beneficial to Save power of MTC equipment.
- different implementation manners may be switched according to the total number of multiple target HARQ results. For example, if the total number of multiple target HARQ results is small, when it is one or two, the method provided in Example 1 above can be used to feedback multiple target HARQ results. If the number of target HARQ results is large and is greater than 4, the method provided in Example 2 can be used to feedback multiple target HARQ results. If the number of target HARQ results is 3 or 4, the manner provided in the above Example 3 may be used to perform feedback on multiple target HARQ results. The manner of switching between the above different schemes should also belong to the protection scope of the present disclosure.
- the present disclosure also provides embodiments of application function implementation devices and corresponding MTC terminals.
- FIG. 16 is a block diagram of a hybrid automatic repeat request HARQ feedback apparatus according to an exemplary embodiment.
- the apparatus is used for a machine type communication MTC device, and the apparatus includes:
- the first determining module 310 is configured to determine multiple target HARQ results.
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs respectively.
- the multiple target PDSCHs are determined by the current physical downlink. Multiple PDSCHs scheduled by the control channel PDCCH;
- the second determining module 320 is configured to determine a group HARQ result according to the multiple target HARQ results; the group HARQ result is used to characterize the multiple target HARQ results;
- the channel determining module 330 is configured to determine a target physical uplink control channel PUCCH; the target PUCCH is a PUCCH corresponding to a target resource for carrying the group HARQ result;
- the first sending module 340 is configured to carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- FIG. 17 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 16.
- the second determining module 320 includes:
- a first conversion sub-module 321 configured to convert the plurality of target HARQ results into corresponding binary values respectively according to a preset correspondence between a HARQ result and a binary value
- the first determining sub-module 322 is configured to perform a logical AND operation on the binary values corresponding to the multiple target HARQ results, and use the operation results as the group HARQ results.
- FIG. 18 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 16, and the second determining module 320 includes:
- a second conversion sub-module 323 configured to convert the plurality of target HARQ results into corresponding binary values according to a preset correspondence relationship between the HARQ results and the binary values;
- a grouping sub-module 324 configured to group the multiple target HARQ results to obtain multiple HARQ groups
- the second determining sub-module 325 is configured to perform a logical AND operation on the binary values corresponding to the respective HARQ results included in each HARQ packet, and use the operation result as the group HARQ result corresponding to the current HARQ packet.
- FIG. 19 is a block diagram of another hybrid automatic repeat request HARQ feedback device shown on the basis of the embodiment shown in FIG. 16, and the second determining module 320 includes:
- the third determining submodule 326 is configured to sequentially arrange the plurality of target HARQ results, and then perform channel coding, scrambling, and modulation in order to obtain the group of HARQ results.
- FIG. 20 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 16, and the channel determination module 330 includes:
- a target index value determination sub-module 331 configured to determine a target index value corresponding to the target resource
- the first channel determining submodule 332 is configured to use the PUCCH indicated by the target index value as the target PUCCH.
- FIG. 21 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 20.
- the target index determination submodule 331 includes:
- the first index value determining unit 3311 is configured to determine the target index value according to a value corresponding to a target start position, a target search space CCE index value, and a first target offset;
- the target starting position is a starting position of a resource corresponding to a PUCCH configured to carry HARQ results and configured by higher-layer signaling
- the target CCE index value is a minimum CCE index value corresponding to the current PDCCH.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- FIG. 22 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 16.
- the channel determination module 330 includes:
- a first receiving sub-module 333 configured to receive a PUCCH set including a plurality of candidate PUCCHs sent by the base station through a first target signaling;
- a second receiving sub-module 334 configured to receive second target signaling sent by the base station, where the second target signaling carries resource indication information used to indicate the target resource;
- the second channel determination submodule 335 is configured to use the candidate PUCCH corresponding to the target resource as the target PUCCH in the PUCCH set according to the resource indication information.
- FIG. 23 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 16.
- the first sending module 340 includes:
- the first sending submodule 341 is configured to carry the group HARQ result through the target resource, and send the target PUCCH to a base station according to a preset format of the PUCCH.
- FIG. 24 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 16.
- the apparatus further includes:
- the first feedback time determination module 350 is configured to determine a target feedback time point
- the first sending module 340 includes:
- the second sending submodule 342 is configured to, when the target feedback time point is reached, carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- FIG. 25 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 24.
- the first feedback time determination module 350 includes:
- the first subframe determining sub-module 351 is configured to determine a target subframe; the target subframe is the first valid subframe with a preset number of subframes spaced from the candidate subframe, and the candidate subframe is the current The subframe in which the last PDSCH among the multiple PDSCHs scheduled by the PDCCH is located;
- the first feedback time determination sub-module 352 is configured to use a time point at which a target subframe is transmitted as the target feedback time point.
- FIG. 26 is a block diagram of a hybrid automatic repeat request HARQ feedback apparatus according to an exemplary embodiment.
- the apparatus is used for a machine type communication MTC device, and the apparatus includes:
- the third determining module 410 is configured to determine multiple target HARQ results; the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs respectively, and the multiple target PDSCHs are determined by the current physical downlink Multiple PDSCHs scheduled by the control channel PDCCH;
- a fourth determining module 420 is configured to determine a target PUCCH and a group HARQ result among multiple candidate physical uplink control channels PUCCH according to the multiple target HARQ results; the target PUCCH is a corresponding target resource for A PUCCH carrying a group HARQ result, where the group HARQ result and the target resource are used to characterize the multiple target HARQ results;
- the second sending module 430 is configured to bear the group HARQ result through the target resource, and send the target PUCCH to a base station.
- FIG. 27 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 26.
- the fourth determining module 420 includes:
- a first index value determination sub-module 421 configured to determine a first index value, where the first index value is a resource index value corresponding to a first candidate PUCCH in the plurality of candidate PUCCHs;
- a second channel determination sub-module 422 configured to use the PUCCH indicated by the first index value as the first candidate PUCCH
- a second index value determination sub-module 423 is configured to determine a second index value according to the first index value and a second target offset; wherein the second target offset is a pre-configured instruction An offset of a PUCCH resource corresponding to another candidate PUCCH, where the other candidate PUCCH is any one of the plurality of candidate PUCCH except the first candidate PUCCH;
- the third channel determination submodule 424 is configured to use the PUCCH indicated by the second index value as the other candidate PUCCH.
- FIG. 28 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 27.
- the first index value determination sub-module 421 includes:
- the second index value determining unit 4211 is configured to determine the first index value according to a value corresponding to a target start position, a CCE index value of a target search space, and a first target offset;
- the target starting position is a starting position of a resource corresponding to a PUCCH configured to carry HARQ results and configured by higher-layer signaling
- the target CCE index value is a minimum CCE index value corresponding to the current PDCCH.
- the first target offset is an offset of a PUCCH resource carried by the current PDCCH and used to feed back a HARQ result.
- FIG. 29 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 26.
- the fourth determining module 420 includes:
- the fourth determining submodule 425 is configured to determine a target PUCCH and a group HARQ result among a plurality of candidate PUCCHs according to a preset mapping relationship between the multiple target HARQ results, the target resource, and the group HARQ result.
- FIG. 30 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 26.
- the apparatus further includes:
- a grouping module 440 configured to group the multiple target HARQ results to obtain multiple HARQ groups if the total number of the multiple target HARQ results exceeds a preset number
- the preprocessing result determination module 450 is configured to determine a preprocessing HARQ result corresponding to each HARQ packet according to all target HARQ results included in each HARQ packet;
- a fifth determining module 460 is configured to determine a target PUCCH and a preprocessing group HARQ result among a plurality of candidate physical uplink control channels PUCCH according to the multiple pre-processed HARQ results; the target PUCCH is a corresponding target The resources are used to carry the PUCCH of the HARQ results of the preprocessing group, and the HARQ results of the preprocessing group and the target resource are used to characterize the multiple preprocessing HARQ results;
- a third sending module 470 is configured to carry the HARQ result of the preprocessing group through the target resource, and send the target PUCCH to a base station.
- FIG. 31 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 26.
- the apparatus further includes:
- the second feedback time determination module 480 is configured to determine a target feedback time point
- the second sending module 430 includes:
- the third sending submodule 431 is configured to, when the target feedback time point is reached, carry the group HARQ result through the target resource, and send the target PUCCH to a base station.
- FIG. 32 is a block diagram of another hybrid automatic repeat request HARQ feedback apparatus shown on the basis of the embodiment shown in FIG. 31.
- the second feedback time determination module 480 includes:
- the second subframe determining sub-module 481 is configured to determine a target subframe; the target subframe is the first valid subframe with a preset number of subframes spaced from the candidate subframe, and the candidate subframe is the current The subframe in which the last PDSCH among the multiple PDSCHs scheduled by the PDCCH is located;
- the second feedback time determination sub-module 482 is configured to use a time point at which a target subframe is transmitted as the target feedback time point.
- the relevant part may refer to the description of the method embodiment.
- the device embodiments described above are only schematic, in which the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, may be located in one Place, or can be distributed across multiple network elements. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solution of the present disclosure. Those of ordinary skill in the art can understand and implement without creative efforts.
- the present disclosure also provides a computer-readable storage medium storing a computer program for performing any one of the hybrid automatic repeat request HARQ feedback methods described above.
- the present disclosure also provides a hybrid automatic repeat request HARQ feedback device, which is used for a machine type communication MTC device and includes:
- Memory for storing processor-executable instructions
- the processor is configured to:
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs, and the multiple target PDSCHs are multiple PDSCHs scheduled by the current physical downlink control channel PDCCH ;
- the group HARQ result is used to characterize the multiple target HARQ results
- the target PUCCH is a PUCCH corresponding to a target resource used to carry the HARQ result of the group;
- the present disclosure also provides a hybrid automatic repeat request HARQ feedback device, which is used for a machine type communication MTC device and includes:
- Memory for storing processor-executable instructions
- the processor is configured to:
- the multiple target HARQ results are HARQ results corresponding to multiple target physical downlink shared channel PDSCHs, and the multiple target PDSCHs are multiple PDSCHs scheduled by the current physical downlink control channel PDCCH ;
- the target PUCCH is a corresponding target resource PUCCH used to carry the group HARQ result, and A group HARQ result and the target resource are used to characterize the multiple target HARQ results;
- FIG. 33 is a schematic structural diagram of a hybrid automatic repeat request HARQ feedback device 3300 according to an exemplary embodiment.
- the device 3300 may be provided as an MTC device.
- the device 3300 includes a processing component 3322, a wireless transmitting / receiving component 3324, an antenna component 3326, and a signal processing portion unique to a wireless interface.
- the processing component 3322 may further include one or more processors.
- One of the processors in the processing component 3322 may be configured to perform any one of the hybrid automatic repeat request HARQ feedback methods for machine-type communication MTC devices described above.
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Abstract
[446]本公开提供一种混合自动重传请求HARQ反馈方法及装置,其中,所述方法包括:确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。本公开可以由一个组HARQ结果来表征多个目标HARQ结果,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
Description
本公开涉及通信领域,尤其涉及混合自动重传请求HARQ反馈方法及装置。
近年来,物联网蓬勃发展,为人类的生活和工作带来了诸多便利。其中,MTC(Machine Type Communication,机器类通信)技术是蜂窝物联网技术的典型代表。
在LTE(Long Term Evolution,长期演进)的release(版本)13中形成了MTC的基本框架。与传统LTE的调度类似,MTC中一个PDCCH(Physical Downlink Control Channel,物理下行控制信道)调度一个PDSCH(Physical Downlink Shared Channel,物理下行共享信道)或者PUSCH(Physical Uplink Shared Channel,物理上行共享信道)。MTC设备在接收或者发送数据前都需去接收和盲检PDCCH。当MTC设备发送或者接收一个较大的数据包时,需要经过几轮调度才能完成。而在大多数情况下,由于信道状况相似,几次PDCCH的调度内容都类似。即使在这种情况下,用户仍然需要解调每次调度的PDCCH,消耗功率。
为了避免上述情况下的功率消耗,3GPP(the 3rd Generation Partnership Project,第三代合作伙伴项目)release 16提出了可以在MTC***中,由一个PDCCH连续调度多个PDSCH。
在目前MTC***中,HARQ(Hybrid Automatic Repeat request,混合自动重传请求)反馈机制与传统的LTE一样。针对每一个PDSCH的HARQ结果,需要一个PUCCH进行反馈,如图1所示。造成消耗的PUCCH资源过多,延长了设备的反馈时间,不利于功率节省。
发明内容
为克服相关技术中存在的问题,本公开实施例提供一种混合自动重传请求HARQ反馈方法及装置。
根据本公开实施例的第一方面,提供一种混合自动重传请求HARQ反馈方法,所述方法用于机器类通信MTC设备,所述方法包括:
确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;
确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;
通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述根据所述多个目标HARQ结果,确定所述组HARQ结果,包括:
根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
可选地,所述根据所述多个目标HARQ结果,确定所述组HARQ结果,包括:
根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值 进行逻辑与运算,将运算结果作为当前HARQ分组所对应的组HARQ结果。
可选地,所述根据所述多个目标HARQ结果,确定所述组HARQ结果,包括:
将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果。
可选地,所述确定一个目标物理上行控制信道PUCCH,包括:
确定所述目标资源对应的目标索引值;
PUCCH将所述目标索引值所指示的PUCCH作为所述目标PUCCH。
可选地,所述确定所述目标资源对应的目标索引值,包括:
根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述目标索引值;
其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
可选地,所述确定一个目标物理上行控制信道PUCCH,包括:
接收所述基站通过第一目标信令发送的包括多个备选PUCCH的PUCCH集合;
接收所述基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息;
根据所述资源指示信息,在所述PUCCH集合中,将与所述目标资源对应的备选PUCCH作为所述目标PUCCH。
可选地,所述通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站,包括:
通过所述目标资源承载所述组HARQ结果,并按照PUCCH的预设格式发送所述目标PUCCH到基站。
可选地,所述方法还包括:
确定目标反馈时间点;
所述通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站,包括:
在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述确定目标反馈时间点,包括:
确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
将发送目标子帧的时间点作为所述目标反馈时间点。
根据本公开实施例的第二方面,提供一种混合自动重传请求HARQ反馈方法,所述方法用于机器类通信MTC设备,所述方法包括:
确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;
通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,采用以下方式确定多个备选PUCCH,包括:
确定第一索引值,所述第一索引值是所述多个备选PUCCH中的首个备选PUCCH所对应的资源索引值;
将所述第一索引值所指示的PUCCH作为所述首个备选PUCCH;
根据所述第一索引值和第二目标偏移量,确定第二索引值;其中, 所述第二目标偏移量是预先配置的用于指示与其他备选PUCCH相对应的PUCCH资源的偏移量,所述其他备选PUCCH是所述多个备选PUCCH中除了所述首个备选PUCCH之外的任一个备选PUCCH;
将所述第二索引值所指示的PUCCH作为所述其他备选PUCCH。
可选地,所述确定第一索引值,包括:
根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述第一索引值;
其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
可选地,所述根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果,包括:
根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一个目标PUCCH和组HARQ结果。
可选地,所述方法还包括:
如果所述多个目标HARQ结果的总数目超过预设数目,则对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果;
根据所述多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载所述预处理组HARQ结果的PUCCH,所述预处理组HARQ结果和所述目标资源用于表征所述多个预处理HARQ结果;
通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述方法还包括:
确定目标反馈时间点;
所述通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站,包括:
在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述确定目标反馈时间点,包括:
确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
将发送目标子帧的时间点作为所述目标反馈时间点。
根据本公开实施例的第三方面,提供一种混合自动重传请求HARQ反馈装置,所述装置用于机器类通信MTC设备,所述装置包括:
第一确定模块,被配置为确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
第二确定模块,被配置为根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;
信道确定模块,被配置为确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;
第一发送模块,被配置为通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述第二确定模块包括:
第一转换子模块,被配置为根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
第一确定子模块,被配置为对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
可选地,所述第二确定模块包括:
第二转换子模块,被配置为根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
分组子模块,被配置为对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
第二确定子模块,被配置为对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应的组HARQ结果。
可选地,所述第二确定模块包括:
第三确定子模块,被配置为将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果。
可选地,所述信道确定模块包括:
目标索引值确定子模块,被配置为确定所述目标资源对应的目标索引值;
第一信道确定子模块,被配置为PUCCH将所述目标索引值所指示的PUCCH作为所述目标PUCCH。
可选地,所述目标索引值确定子模块包括:
第一索引值确定单元,被配置为根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述目标索引值;
其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
可选地,所述信道确定模块包括:
第一接收子模块,被配置为接收所述基站通过第一目标信令发送的 包括多个备选PUCCH的PUCCH集合;
第二接收子模块,被配置为接收所述基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息;
第二信道确定子模块,被配置为根据所述资源指示信息,在所述PUCCH集合中,将与所述目标资源对应的备选PUCCH作为所述目标PUCCH。
可选地,所述第一发送模块包括:
第一发送子模块,被配置为通过所述目标资源承载所述组HARQ结果,并按照PUCCH的预设格式发送所述目标PUCCH到基站。
可选地,所述装置还包括:
第一反馈时间确定模块,被配置为确定目标反馈时间点;
所述第一发送模块包括:
第二发送子模块,被配置为在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述第一反馈时间确定模块包括:
第一子帧确定子模块,被配置为确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
第一反馈时间确定子模块,被配置为将发送目标子帧的时间点作为所述目标反馈时间点。
根据本公开实施例的第四方面,提供一种混合自动重传请求HARQ反馈装置,所述装置用于机器类通信MTC设备,所述装置包括:
第三确定模块,被配置为确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
第四确定模块,被配置为根据所述多个目标HARQ结果,在多个备 选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;
第二发送模块,被配置为通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述第四确定模块包括:
第一索引值确定子模块,被配置为确定第一索引值,所述第一索引值是所述多个备选PUCCH中的首个备选PUCCH所对应的资源索引值;
第二信道确定子模块,被配置为将所述第一索引值所指示的PUCCH作为所述首个备选PUCCH;
第二索引值确定子模块,被配置为根据所述第一索引值和第二目标偏移量,确定第二索引值;其中,所述第二目标偏移量是预先配置的用于指示与其他备选PUCCH相对应的PUCCH资源的偏移量,所述其他备选PUCCH是所述多个备选PUCCH中除了所述首个备选PUCCH之外的任一个备选PUCCH;
第三信道确定子模块,被配置为将所述第二索引值所指示的PUCCH作为所述其他备选PUCCH。
可选地,所述第一索引值确定子模块包括:
第二索引值确定单元,被配置为根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述第一索引值;
其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
可选地,所述第四确定模块包括:
第四确定子模块,被配置为根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一个目标 PUCCH和组HARQ结果。
可选地,所述装置还包括:
分组模块,被配置为如果所述多个目标HARQ结果的总数目超过预设数目,则对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
预处理结果确定模块,被配置为根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果;
第五确定模块,被配置为根据所述多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载所述预处理组HARQ结果的PUCCH,所述预处理组HARQ结果和所述目标资源用于表征所述多个预处理HARQ结果;
第三发送模块,被配置为通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述装置还包括:
第二反馈时间确定模块,被配置为确定目标反馈时间点;
所述第二发送模块包括:
第三发送子模块,被配置为在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
可选地,所述第二反馈时间确定模块包括:
第二子帧确定子模块,被配置为确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
第二反馈时间确定子模块,被配置为将发送目标子帧的时间点作为所述目标反馈时间点。
根据本公开实施例的第五方面,提供一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述第一方面所述的混合自动重传请求HARQ反馈方法。
根据本公开实施例的第六方面,提供一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述第二方面所述的混合自动重传请求HARQ反馈方法。
根据本公开实施例的第七方面,提供一种混合自动重传请求HARQ反馈装置,所述装置用于机器类通信MTC设备,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;
确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;
通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
根据本公开实施例的第八方面,提供一种混合自动重传请求HARQ反馈装置,所述装置用于机器类通信MTC设备,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所 对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;
通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
本公开的实施例提供的技术方案可以包括以下有益效果:
本公开实施例中,机器类通信MTC设备可以先确定多个目标HARQ结果,其中,所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH。进一步地,MTC设备可以根据所述多个目标HARQ结果,确定组HARQ结果,本公开实施例中,可以通过组HARQ结果直接表征所述多个目标HARQ结果。然后MTC设备通过目标PUCCH对应的目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。通过上述过程,可以由一个组HARQ结果来表征多个目标HARQ结果,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
本公开实施例中,MTC设备可以根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值,进一步地,MTC设备对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,最终将运算结果作为所述组HARQ结果。实现了通过一个组HARQ结果来表征多个目标HARQ结果的目的,可用性高。
本公开实施例中,如果多个目标HARQ结果的数目较多,则可以对多个目标HARQ结果进行分组,针对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,从而将运算结果作为当前HARQ分组所对应的组HARQ结果。在本公开实施例中,可以对多个目标HARQ结果进行分组,从而确定每个HARQ分组所对应的组HARQ结果,可用性高。
本公开实施例中,MTC设备可以直接对多个目标HARQ结果顺序 排列后,依次进行信道编码、加扰、调制,从而获得所述组HARQ结果。通过上述实施例,可以在准确上报多个目标HARQ中每个目标HARQ结果,上报结果比较准确,且提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
本公开实施例中,MTC设备在确定一个目标PUCCH时,可以先确定目标资源对于的目标索引值,然后将目标索引值所指示的PUCCH作为所述目标PUCCH。可选地,可以根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,来确定所述目标索引值。通过上述过程,可以由MTC设备快速确定一个目标PUCCH,便于后续通过目标PUCCH对应的目标资源承载组HARQ结果。
本公开实施例中,MTC设备还可以接收基站通过第一目标信令发送的包括多个备选PUCCH的PUCCH集合。进一步地,MTC设备接收基站发送的第二目标信令,所述第二目标信令中携带了指示目标资源的资源指示信息,此时MTC设备就可以根据所述资源指示信息,在所述PUCCH集合中确定目标PUCCH。通过上述过程,MTC设备可以根据基站下发的信令快速确定目标PUCCH,实现简便,可用性高。
在本公开实施例中,MTC设备在通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站时,可选地,可以按照PUCCH的预设格式发送所述目标PUCCH,实现简便,且提高了MTC***中进行HARQ反馈的效率。
在本公开实施例中,MTC设备还可以确定目标反馈时间点,在到达所述目标反馈时间点时,才通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。通过上述过程,可以在当前PDCCH所调度的多个PDSCH中最后一个PDSCH调度完成后,统一上报多个目标HARQ结果到基站,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
在本公开实施例中,MTC设备可以将与备选子帧间隔预设子帧数目 的第一个有效子帧作为目标子帧,其中,备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧。进一步地,MTC设备可以将发送目标子帧的时间点作为反馈多个目标HARQ结果的目标反馈时间点。通过上述过程,可以在当前PDCCH所调度的多个PDSCH中最后一个PDSCH调度完成后,统一上报多个目标HARQ结果到基站,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
本公开实施例中,MTC设备还可以先确定多个目标HARQ结果,其中,所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH。然后由MTC设备根据多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果。本公开实施例中,所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,且可以同时通过所述组HARQ结果和所述目标资源表征所述多个目标HARQ结果。MTC设备通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。在上述实施例中,实现了同时通过组HARQ结果和目标PUCCH对应的目标资源表征所述多个目标HARQ结果的目的,进一步节省了目标资源,提高了MTC***中进行HARQ反馈的效率,有利于节省MTC设备的功率。
本公开实施例中,MTC设备在确定多个备选PUCCH时,可以先确定第一索引值,所述第一索引值所指示的PUCCH作为多个备选PUCCH中的首个备选PUCCH,再确定第二索引值,将第二索引值所指示的PUCCH作为所述其他备选PUCCH。通过上述过程,MTC设备可以确定出多个备选PUCCH,后续可以在多个备选PUCCH中选取出一个作为目标PUCCH,可用性高。
本公开实施例中,MTC设备可以根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一 个目标PUCCH和组HARQ结果。这样,MTC设备将备选HARQ结果通过目标PUCCH表征,其余的目标HARQ结果通过组HARQ表征,实现了同时通过组HARQ结果和目标PUCCH对应的目标资源表征所述多个目标HARQ结果的目的,进一步节省了目标资源。
本公开实施例中,可选地,如果多个目标HARQ结果的总数目超过预设数目,则可以对所述多个目标HARQ结果进行分组,获得多个HARQ分组。然后根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果。本公开实施例中,会根据多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果,进而通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。通过上述过程,可以在多个目标HARQ结果较多时,通过预处理组HARQ结果和目标PUCCH对应的目标资源表征与多个HARQ分组对应的多个预处理HARQ结果,节省了目标资源。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本发明的实施例,并与说明书一起用于解释本发明的原理。
图1是根据一示例性实施例示出的现有混合自动重传请求HARQ反馈场景示意图。
图2是根据一示例性实施例示出的一种混合自动重传请求HARQ反馈方法流程图。
图3是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图4是根据一示例性实施例示出的另一种混合自动重传请求HARQ 反馈场景示意图。
图5是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图6是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈场景示意图。
图7是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图8是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图9是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图10是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图11是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图12是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图13是根据一示例性实施例示出的混合自动重传请求HARQ反馈反馈方法流程图。
图14是根据一示例性实施例示出的混合自动重传请求HARQ反馈方法流程图。
图15是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图。
图16是根据一示例性实施例示出的一种混合自动重传请求HARQ反馈装置框图。
图17是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图18是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图19是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图20是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图21是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图22是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图23是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图24是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图25是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图26是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图27是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图28是本公开根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图29是本公开根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图30是本公开根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图31是本公开根据一示例性实施例示出的另一种混合自动重传请 求HARQ反馈装置框图。
图32是本公开根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈装置框图。
图33是本公开根据一示例性实施例示出的一种用于混合自动重传请求HARQ反馈装置的一结构示意图。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本公开使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开。在本公开和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
本公开实施例提供了一种混合自动重传请求HARQ反馈方法,可以用于机器类通信MTC设备,例如智慧城市中使用的智能抄表,智慧交通中的共享单车,或者智慧农业中温度湿度采集装置等。参照图2所示,图2是根据一示例性实施例示出的一种混合自动重传请求HARQ反馈方法流 程图,可以包括以下步骤:
在步骤101中,确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
在步骤102中,根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;
在步骤103中,确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;
在步骤104中,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
上述实施例中,可以由一个组HARQ结果来表征多个目标HARQ结果,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
针对上述步骤101,在MTC***中,当前PDCCH可以同时调度多个连续的PDSCH,则MTC设备按照相关技术可以分别确定每个PDSCH各自对应的HARQ结果。
可选地,每个PDSCH对应的HARQ结果可以为ACK(ACKnowledgement,正确)或NACK(Negative ACKnowledgment,错误)。
针对上述步骤102,MTC设备可以采用以下方案中的任意一种根据所述多个目标HARQ结果,确定组HARQ结果:
第一种方案,对多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
可选地,参照图3所示,图3是根据图2所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,步骤102可以包括以下步骤:
在步骤102-11中,根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
本步骤中,MTC设备可以预设HARQ结果与二进制值的对应关系,例如表1所示。
HARQ结果 | 二进制值 |
NACK | 0 |
ACK | 1 |
表1
MTC设备可以根据表1将多个目标HARQ结果分别转换为对应的二进制值。例如,多个目标HARQ结果依次为:ACK、NACK、NACK、ACK,则转换为二进制依次为:1、0、0、1。
在步骤102-12中,对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
本步骤中,MTC设备可以对上述步骤102-11中确定的多个目标HARQ结果各自所对应的二进制值统一进行逻辑与运算,将运算结果作为所述组HARQ结果。
例如图4所示,多个目标HARQ结果各自所对应的二进制值依次为:1、0、0、1,进行逻辑与运算后,得到的运算结果为0,即组HARQ结果为0。
本公开实施例中,只有在多个目标HARQ结果均为1时,组HARQ结果才为1,否则所述组HARQ结果为0。基站侧如果接收到组HARQ结果为1,说明MTC设备成功接收当前PDCCH所调度的所有目标PDSCH,否则说明MTC设备未成功接收当前PDCCH所调度的所有目标PDSCH。
上述实施例中,MTC设备对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,最终将运算结果作为所述组HARQ结果。实现了通过一个组HARQ结果来表征多个目标HARQ结果的目的,可用性高。
第二种方案,对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应的 组HARQ结果。
可选地,参照5所示,图5是根据图2所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,步骤102可以包括以下步骤:
在步骤102-21中,根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
本步骤与上述步骤102-11的实现方式相同,在此不再赘述。
在步骤102-22中,对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
本步骤中,由于多个目标HARQ结果的数目较多,可以对所述多个目标HARQ结果进行分组,获得多个HARQ分组。
例如,多个目标HARQ结果的总数目为4,可以平均分成两组,每组包括2个目标HARQ结果。
在步骤102-23中,对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应的组HARQ结果。
例如图6所示,假设多个目标HARQ结果各自所对应的二进制值依次为:1、0、1、1,划分为2组,则HARQ分组1中所包括的目标HARQ结果各自对应的二进制值为1和0,HARQ分组2中所包括的目标HARQ结果各自对应的二进制值为1和1。对每个HARQ分组分别进行逻辑与运算后,HARQ分组1对应的运算结果为0,即HARQ分组1对应的组HARQ结果为0;HARQ分组2对应的运算结果为1,即HARQ分组1对应的组HARQ结果为1。
本公开实施例中,基站侧接收到HARQ分组1所对应的组HARQ结果为0,说明MTC设备未成功接收当前PDCCH所调度的前2个目标PDSCH,基站侧接收到HARQ分组2所对应的组HARQ结果为1,说明MTC设备成功接收当前PDCCH所调度的后2个目标PDSCH。
上述实施例中,MTC设备可以对多个目标HARQ结果进行分组, 从而确定每个HARQ分组所对应的组HARQ结果,可用性高。
第三种方案,将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果。
此种方案中,MTC设备可以直接将多个目标HARQ结果进行顺序排列,然后按照相关技术进行信道编码、加扰、调制,从而获得组HARQ结果。此时组HARQ结果中包括了所有目标HARQ结果。上报结果比较准确,且提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
针对上述步骤103,MTC设备可以采用以下方案中的任意一种确定一个目标PUCCH:
第一种方案,确定目标资源对应的目标索引值,将目标索引值所指示的PUCCH作为所述目标PUCCH。
可选地,参照图7所示,图7是根据图2所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,步骤103可以包括以下步骤:
在步骤103-11中,确定所述目标资源对应的目标索引值。
本公开实施例中,可以根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述目标索引值。可选地,可以计算目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量的和值,将所述和值作为所述目标索引值。当然,可以采用其他计算方式,根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,计算出所述目标索引值,本公开对此不做限制。
其中,目标起始位置是高层信令,例如RRC信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,例如MTC设备有50个PUCCH的资源,但是从第25个PUCCH开始,PUCCH的资源才可以用于承载HARQ结果,那么目标起始位置对应的数值为25。
所述目标CCE索引是与所述当前PDCCH对应的最小的CCE索引值,例如与当前PDCCH对应的预先配置好的CCE索引集合为{4,5,6,7},则最 小的CCE索引值为4,那么目标CCE索引为4。
所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。可选地,可以由基站预先通过RRC信令为当前PDCCH配置偏移量集合,进而由PDCCH在上述偏移量集合中指示一个偏移量作为第一目标偏移量。例如,基站预先配置的偏移量集合为{2,4,6,8},当前PDCCH在该集合中指示2作为第一目标偏移量。
本步骤中,MTC设备可以按照以下公式1进行计算,从而得到目标索引值n_PUCCH。
n_PUCCH=N_PUCCH+n_CCE+ARO, 公式1
其中,N_PUCCH为目标起始位置对应的数值,n_CCE为目标CCE索引值,ARO为第一目标偏移量。
在步骤103-12中,将所述目标索引值所指示的PUCCH作为所述目标PUCCH。
本步骤中,假设目标索引值n_PUCCH=25+4+2=31,则MTC设备将目标索引值所指示的PUCCH作为目标PUCCH,即将第31个PUCCH作为目标PUCCH。
上述实施例中,在确定一个目标PUCCH时,MTC设备可以先确定目标资源对于的目标索引值,然后将目标索引值所指示的PUCCH作为所述目标PUCCH。可选地,可以根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,来确定所述目标索引值。通过上述过程,可以由MTC设备快速确定一个目标PUCCH,便于后续通过目标PUCCH对应的目标资源承载组HARQ结果。
第二种方案,在包括多个备选PUCCH的PUCCH集合中确定一个目标PUCCH。
可选地,参照8所示,图8是根据图2所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,步骤103可以包括以下步骤:
在步骤103-21中,接收所述基站通过第一目标信令发送的包括多个 备选PUCCH的PUCCH集合;
本步骤中,第一目标信令可以是RRC信令,基站通过RRC信令发送PUCCH集合到MTC设备,该PUCCH集合中包括了多个备选PUCCH。例如,PUCCH集合可以为{n_PUCCH1,n_PUCCH2,n_PUCCH3,n_PUCCH4}。
在步骤103-22中,接收所述基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息;
本步骤中,MTC设备还可以接收基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息。可选地,第二目标信令可以是DCI信令。
在步骤103-23中,根据所述资源指示信息,在所述PUCCH集合中,将与所述目标资源对应的备选PUCCH作为所述目标PUCCH。
本步骤中,基站可以根据之前的资源指示信息,在PUCCH集合中确定目标PUCCH。例如,基站通过DCI信令中携带的资源指示信息指示的目标资源是n_PUCCH1对应的资源,则MTC设备将n_PUCCH1作为目标PUCCH。
上述实施例中,MTC设备可以根据基站下发的信令快速确定目标PUCCH,实现简便,可用性高。
针对上述步骤104,可选地,MTC设备可以按照相关技术通过目标PUCCH对应的目标资源载所述组HARQ结果,并按照相关技术中PUCCH的预设格式发送所述目标PUCCH到基站。
其中,如果MTC设备对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果,则可以按照相关技术对所述组HARQ结果进行BPSK调制,进而按照PUCCH format(格式)1a的方式发送所述目标PUCCH到基站。
如果MTC设备对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应 的组HARQ结果,则可以按照相关技术对所有HARQ分组所对应的组HARQ结果进行QPSK调制,进而按照PUCCH format1b的方式发送所述目标PUCCH到基站。
如果MTC设备对将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果,则MTC设备可以按照PUCCH format3的方式发送所述目标PUCCH到基站。
上述实施例中,MTC设备在通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站时,可选地,可以按照PUCCH的预设格式发送所述目标PUCCH,实现简便,且提高了MTC***中进行HARQ反馈的效率。
在一实施例中,参照9所示,图9是根据图2所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,上述方法还可以包括以下步骤:
在步骤105中,确定目标反馈时间点;
本步骤中,MTC设备可以确定需要反馈组HARQ结果的时间点。
相应地,步骤104可以包括:
在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
也就是说,在到达了所述目标反馈时间点时,可以通过目标PUCCH对应的目标资源承载上述组HARQ结果,并发送目标PUCCH到基站。
在上述实施例中,参照10所示,图10是根据图9所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,步骤105可以包括以下步骤:
在步骤105-1中,确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
本步骤中,MTC设备可以将与备选子帧间隔预设子帧数目的第一个 有效子帧作为目标子帧,其中,备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧。
考虑到目前的MTC***与LTE***并存,某些子帧可以用于MTC***通信,某些子帧需要调度给LTE***,因此,目标子帧可以是与备选子帧间隔预设子帧数目的第一个有效子帧,即目标子帧可以是与备选子帧间隔预设子帧数目且调度给MTC***的第一个子帧。
在FDD(Frequency Division Duplexing,频分双工)MTC***中,预设子帧数目可以为4。在TDD(Time Division Duplexing,时分双工)***中,预设子帧数目可以根据TDD子帧配置来决定。例如,在TDDMTC***中,预先规定了备选子帧之后的第2个、第4个、第6个和第8个子帧可以用来进行HARQ反馈,则MTC设备可以根据基站下发的DCI信令确定预设子帧数目,例如预设子帧数目为2,则MTC设备将备选子帧之后的第2个子帧作为目标子帧。
在步骤105-2中,将发送目标子帧的时间点作为所述目标反馈时间点。
本步骤中,MTC***按照相关技术,直接将发送目标子帧的时间点作为所述目标反馈时间点。
上述实施例中,可以在当前PDCCH所调度的多个PDSCH中最后一个PDSCH调度完成后,统一上报多个目标HARQ结果到基站,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
对本公开实施例提供的上述混合自动重传请求HARQ反馈方法进一步举例说明如下。
例子1,MTC设备可以对根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值,进一步地,MTC设备对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,最终将运算结果作为所述组HARQ结果。MTC设备对组HARQ结 果进行BPSK调整,后续按照PUCCH format 1a发送目标PUCCH到基站,例如图4所示。
或者,MTC设备可以对多个HARQ结果进行分组,针对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,从而将运算结果作为当前HARQ分组所对应的组HARQ结果。MTC设备对每个HARQ分组所对应的组HARQ结果进行QPSK调整,后续按照PUCCH format 1b发送目标PUCCH到基站,例如图6所示。
MTC设备会在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。确定目标反馈时间点的方式如图10所示,在此不再赘述。
另外,MTC设备可以采用上述公式1确定目标PUCCH。或者,MTC设备还可以接收基站发送的第一目标信令,确定PUCCH集合,进而根据基站发送的第二目标信令,在PUCCH集合中确定目标PUCCH。
例子2,MTC设备可以直接对多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,从而获得所述组HARQ结果。后续按照PUCCH format 3发送目标PUCCH到基站。
MTC设备会在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。确定目标反馈时间点的方式如图10所示,在此不再赘述。
另外,MTC设备可以采用上述公式1确定目标PUCCH。或者,MTC设备还可以接收基站发送的第一目标信令,确定PUCCH集合,进而根据基站发送的第二目标信令,在PUCCH集合中确定目标PUCCH。
上述实施例均是针对只通过组HARQ结果来表征多个目标HARQ结果的实现方式,本公开实施例中,还可以同时通过组HARQ结果和目标资源来表征多个目标HARQ结果,实现方式如下。
本公开实施例还提供了另一种混合自动重传请求HARQ反馈方法,可以用于机器类通信MTC设备,例如智慧城市中使用的智能抄表,智慧 交通中的共享单车,或者智慧农业中温度湿度采集装置等。参照图11所示,图11是根据一示例性实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,可以包括以下步骤:
在步骤201中,确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
在步骤202中,根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;
在步骤203中,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
上述实施例中,实现了同时通过组HARQ结果和目标PUCCH对应的目标资源表征所述多个目标HARQ结果的目的,进一步节省了目标资源,提高了MTC***中进行HARQ反馈的效率,有利于节省MTC设备的功率。
针对上述步骤201,在MTC***中,当前PDCCH可以同时调度多个连续的PDSCH,则MTC设备按照相关技术可以分别确定每个PDSCH各自对应的HARQ结果。
可选地,每个PDSCH对应的HARQ结果可以为ACK或NACK。
针对上述步骤202,MTC设备可以先确定多个备选PUCCH,可选地,参照12所示,图12是根据图11所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,确定多个备选PUCCH的过程可以包括以下步骤:
在步骤202-1中,确定第一索引值,所述第一索引值是所述多个备选PUCCH中的首个备选PUCCH所对应的资源索引值;
本公开实施例中,可以根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述第一索引值。可选地,可以计算目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量的和值,将所述和值作为所述的第一索引值。当然,可以采用其他计算方式,根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,计算出所述第一索引值,本公开对此不做限制。
其中,所述目标起始位置是高层信令,例如RRC信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量;
本步骤中,MTC设备可以按照以下公式1计算所述第一索引值n_PUCCH1。
n_PUCCH1=N_PUCCH+n_CCE+ARO, 公式2
其中,N_PUCCH为目标起始位置对应的数值,n_CCE为目标CCE索引值,ARO为第一目标偏移量。
在步骤202-2中,将所述第一索引值所指示的PUCCH作为所述首个备选PUCCH;
本步骤中,假设第一和值n_PUCCH1=25+4+2=31,则MTC设备将第一索引值所指示的PUCCH作为多个备选PUCCH中的首个备选PUCCH,即将第31个PUCCH作为多个备选PUCCH中的首个备选PUCCH。
在步骤202-3中,根据所述第一索引值和第二目标偏移量,确定第二索引值;
本公开实施例中,所述第二目标偏移量是预先配置的用于指示与其他备选PUCCH相对应的PUCCH资源的偏移量,所述其他备选PUCCH是所述多个备选PUCCH中除了首个备选PUCCH之外的任一个备选PUCCH。可选地,第二目标偏移量可以预先在协议中进行规定,写入MTC设备底层***中;或者第二目标偏移量可以由基站通过第一目标信令,例如RRC 信令配置给MTC设备;或者第二目标偏移量还可以由基站通过第二目标信令,例如DCI信令指示给MTC设备。
本步骤中,MTC设备可以采用公式3计算得到第二索引值n_PUCCHi,其中,i=2,3,4……。
n_PUCCHi=N_PUCCH+n_CCE+ARO+offseti, 公式3
其中,N_PUCCH为目标起始位置,n_CCE为目标CCE索引,ARO为第一目标偏移量,offseti为第二目标偏移量。
在步骤202-4中,将所述第二索引值所指示的PUCCH作为所述其他备选PUCCH。
本步骤中,MTC设备可以按照公式3,分别确定其他备选PUCCH。
本公开实施例中,如果多个目标HARQ结果的总数目为2,则可以根据公式,2和公式3确定2个备选PUCCH,分别为:
n_PUCCH 1=N_PUCCH+n_CCE+ARO;
n_PUCCH 2=N_PUCCH+n_CCE+ARO+offset2。
同样地,如果多个目标HARQ结果的总数目为3,则可以根据公式2和公式3确定3个备选PUCCH,分别为:
n_PUCCH 1=N_PUCCH+n_CCE+ARO;
n_PUCCH 2=N_PUCCH+n_CCE+ARO+offset2;
n_PUCCH 3=N_PUCCH+n_CCE+ARO+offset3。
依此类推可以得到多个备选PUCCH。
当然如果目标HARQ结果的总数目较多时,则可以对多个目标HARQ结果进行分组,对每个HARQ分组确定多个备选PUCCH。
例如,多个目标HARQ结果的总数目为8,平均分为4组,则可以有4个备选PUCCH,如下:
n_PUCCH 1=N_PUCCH+n_CCE+ARO;
n_PUCCH 2=N_PUCCH+n_CCE+ARO+offset2;
n_PUCCH 3=N_PUCCH+n_CCE+ARO+offset3;
n_PUCCH 4=N_PUCCH+n_CCE+ARO+offset4。
在本公开实施例中,MTC设备确定了多个备选PUCCH之后,可以在多个备选PUCCH中选取一个目标PUCCH,可选地,可以根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一个目标PUCCH和组HARQ结果。
例如,多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系如表2所示。
表2
则MTC设备可以直接根据表2,在多个备选PUCCH中确定一个目标PUCCH和组HARQ结果。例如多个目标HARQ结果为0,1,则组HARQ结果为0,目标资源为n_PUCCH 2。
针对上述步骤203,MTC设备可以按照相关技术,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
在一实施例中,参照13所示,图13是根据图11所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,上述方法还可以包括以下步骤:
在步骤204中,如果所述多个目标HARQ结果的总数目超过预设数目,则对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
本步骤中,MTC设备可以在多个目标HARQ结果的总数目较多,超过预设数目例如4个时,对所述多个目标HARQ结果进行分组,获得多个HARQ分组。可选地,可以平均分为多个HARQ分组。
在步骤205中,根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果;
本步骤中,可以对每个HARQ分组所包括的所有目标HARQ结果转换为二进制值,然后进行逻辑与运算,将运算结果作为当前HARQ分组所对应的预处理HARQ结果。
例如,当前HARQ分组所包括的所有目标HARQ结果依次为:ACK、NACK,则转换为二进制依次为:1、0,进行逻辑与运算后得到当前HARQ分组所对应的预处理HARQ结果为0。
在步骤206中,根据所述多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载所述预处理组HARQ结果的PUCCH,所述预处理组HARQ结果和所述目标资源用于表征所述多个预处理HARQ结果;
本步骤中,MTC设备可以根据多个预处理HARQ结果、目标资源和预处理组HARQ结果的预设映射关系,确定一个目标PUCCH和预处理组HARQ结果。
例如,多个预处理HARQ结果、目标资源和预处理组HARQ结果的预设映射关系如表3所示。
表3
则如果多个预处理结果为1 1 0,则根据表3可以确定预处理组HARQ结果为1 1,目标资源为n_PUCCH 1。
在步骤207中,通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
本步骤中,MTC设备在确定了目标资源和预处理组HARQ结果之 后,可以通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
在一实施例中,参照14所示,图14是根据图11所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,上述方法还可以包括以下步骤:
在步骤208中,确定目标反馈时间点;
本步骤中,MTC设备可以确定需要反馈组HARQ结果的时间点。
相应地,步骤203可以包括:
在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
也就是说,在到达了所述目标反馈时间点时,可以通过目标PUCCH对应的目标资源承载上述组HARQ结果,并发送目标PUCCH到基站。
在上述实施例中,参照15所示,图15是根据图14所示的实施例示出的另一种混合自动重传请求HARQ反馈方法流程图,步骤208可以包括以下步骤:
在步骤208-1中,确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
本步骤中,MTC设备可以将与备选子帧间隔预设子帧数目的第一个有效子帧作为目标子帧,其中,备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧。
考虑到目前的MTC***与LTE***并存,某些子帧可以用于MTC***通信,某些子帧需要调度给LTE***,因此,目标子帧可以是与备选子帧间隔预设子帧数目的第一个有效子帧,即目标子帧可以是与备选子帧间隔预设子帧数目且调度给MTC***的第一个子帧。
在FDD(Frequency Division Duplexing,频分双工)MTC***中,预设子帧数目可以为4。在TDD(Time Division Duplexing,时分双工)系 统中,预设子帧数目可以根据TDD子帧配置来决定。例如,在TDDMTC***中,预先规定了备选子帧之后的第2个、第4个、第6个和第8个子帧可以用来进行HARQ反馈,则MTC设备可以根据基站下发的DCI信令确定预设子帧数目,例如预设子帧数目为2,则MTC设备将备选子帧之后的第2个子帧作为目标子帧。
在步骤208-2中,将发送目标子帧的时间点作为所述目标反馈时间点。
本步骤中,MTC***按照相关技术,直接将发送目标子帧的时间点作为所述目标反馈时间点。
上述实施例中,可以在当前PDCCH所调度的多个PDSCH中最后一个PDSCH调度完成后,统一上报多个目标HARQ结果到基站,提高了MTC***中进行HARQ反馈的效率,减少了PUCCH资源的消耗,有利于节省MTC设备的功率。
对本公开实施例提供的上述同时通过目标资源和组HARQ结果表征多个目标HARQ结果的混合自动重传请求HARQ反馈方法进一步举例说明如下。
例子3,多个目标HARQ结果的总数目为2,MTC设备根据上述公式2和公式3确定2个备选PUCCH如下:
n_PUCCH 1=N_PUCCH+n_CCE+ARO;
n_PUCCH 2=N_PUCCH+n_CCE+ARO+offset2。
1个目标HARQ结果通过目标资源反馈,另1个目标HARQ结果通过目标PUCCH所承载的组HARQ结果反馈,多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系例如上述表2所示。
则如果多个目标HARQ结果为1 1,则组HARQ结果为1,也就是X为1,目标资源为n_PUCCH 2。
再假设多个目标HARQ结果的总数目为3,MTC设备根据上述公式2和公式3确定3个备选PUCCH如下:
n_PUCCH 1=N_PUCCH+n_CCE+ARO;
n_PUCCH 2=N_PUCCH+n_CCE+ARO+offset 2;
n_PUCCH 3=N_PUCCH+n_CCE+ARO+offset 3。
2个目标HARQ结果通过组HARQ结果反馈,另1个目标HARQ结果可以通过目标资源反馈,多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系例如表4所示。
表4
则如果多个目标HARQ结果为1 0 1,则组HARQ结果为1 0,也就是X、Y分别为1、0,目标资源为n_PUCCH 2。
再例如多个目标HARQ结果的数目为4,MTC设备根据上述公式2和公式3确定4个备选PUCCH如下:
n_PUCCH 1=N_PUCCH+n_CCE+ARO;
n_PUCCH 2=N_PUCCH+n_CCE+ARO+offset 2;
n_PUCCH 3=N_PUCCH+n_CCE+ARO+offset 3;
n_PUCCH 4=N_PUCCH+n_CCE+ARO+offset 4。
2个目标HARQ结果通过组HARQ结果反馈,另2个目标HARQ结果可以通过目标资源反馈,多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系例如表5所示。
表5
则如果多个目标HARQ结果为1 0 1 1,则组HARQ结果为1 0,也就是X、Y分别为1、0,目标资源为n_PUCCH 4。
再例如有大于4个目标HARQ结果时,比如有8个目标HARQ结果,此时需要进行分组,平均分为4组。对每个HARQ分组所包括的目标HARQ结果转换为相应的二进制后,进行逻辑与运算,加得到4个运算结果,即得到4个与HARQ分组对应的预处理HARQ结果。此时就可以按照表6来选择目标PUCCH,进行预处理组HARQ结果的反馈。
表6
假设多个预处理HARQ结果为0 0 1 0,则预处理组HARQ结果为00,也就是X、Y分别为0、0,目标资源为n_PUCCH 3。
在上述实施例中,实现了同时通过组HARQ结果和目标PUCCH对应的目标资源表征所述多个目标HARQ结果的目的,进一步节省了目标资源,提高了MTC***中进行HARQ反馈的效率,有利于节省MTC设备的功率。
在一实施例中,可选地,可以根据多个目标HARQ结果的总数目进行不同实现方式的切换。例如,如果多个目标HARQ结果的总数目较少,为1个或2个时,可以采用上述例子1提供的方式进行多个目标HARQ结 果的反馈。如果目标HARQ结果的数目较多,大于4个时,则可以采用例子2提供的方式进行多个目标HARQ结果的反馈。如果目标HARQ结果的数目为3或4,则可以采用上述例子3提供的方式进行多个目标HARQ结果的反馈。以上不同方案之间进行切换的方式也应属于本公开的保护范围。
与前述应用功能实现方法实施例相对应,本公开还提供了应用功能实现装置、及相应的MTC终端的实施例。
参照图16,图16是根据一示例性实施例示出的一种混合自动重传请求HARQ反馈装置框图,所述装置用于机器类通信MTC设备,所述装置包括:
第一确定模块310,被配置为确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
第二确定模块320,被配置为根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;
信道确定模块330,被配置为确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;
第一发送模块340,被配置为通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
参照图17,图17是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第二确定模块320包括:
第一转换子模块321,被配置为根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
第一确定子模块322,被配置为对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
参照图18,图18是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第二确定模块320包括:
第二转换子模块323,被配置为根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;
分组子模块324,被配置为对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
第二确定子模块325,被配置为对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应的组HARQ结果。
参照图19,图19是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第二确定模块320包括:
第三确定子模块326,被配置为将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果。
参照图20,图20是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述信道确定模块330包括:
目标索引值确定子模块331,被配置为确定所述目标资源对应的目标索引值;
第一信道确定子模块332,被配置为PUCCH将所述目标索引值所指示的PUCCH作为所述目标PUCCH。
参照图21,图21是根据图20所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述目标索引值确定子模块331包括:
第一索引值确定单元3311,被配置为根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述目标索引值;
其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前 PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
参照图22,图22是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述信道确定模块330包括:
第一接收子模块333,被配置为接收所述基站通过第一目标信令发送的包括多个备选PUCCH的PUCCH集合;
第二接收子模块334,被配置为接收所述基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息;
第二信道确定子模块335,被配置为根据所述资源指示信息,在所述PUCCH集合中,将与所述目标资源对应的备选PUCCH作为所述目标PUCCH。
参照图23,图23是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第一发送模块340包括:
第一发送子模块341,被配置为通过所述目标资源承载所述组HARQ结果,并按照PUCCH的预设格式发送所述目标PUCCH到基站。
参照图24,图24是根据图16所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述装置还包括:
第一反馈时间确定模块350,被配置为确定目标反馈时间点;
所述第一发送模块340包括:
第二发送子模块342,被配置为在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
参照图25,图25是根据图24所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第一反馈时间确定模块350包括:
第一子帧确定子模块351,被配置为确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
第一反馈时间确定子模块352,被配置为将发送目标子帧的时间点 作为所述目标反馈时间点。
参照图26,图26是根据一示例性实施例示出的一种混合自动重传请求HARQ反馈装置框图,所述装置用于机器类通信MTC设备,所述装置包括:
第三确定模块410,被配置为确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
第四确定模块420,被配置为根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;
第二发送模块430,被配置为通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
参照图27,图27是根据图26所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第四确定模块420包括:
第一索引值确定子模块421,被配置为确定第一索引值,所述第一索引值是所述多个备选PUCCH中的首个备选PUCCH所对应的资源索引值;
第二信道确定子模块422,被配置为将所述第一索引值所指示的PUCCH作为所述首个备选PUCCH;
第二索引值确定子模块423,被配置为根据所述第一索引值和第二目标偏移量,确定第二索引值;其中,所述第二目标偏移量是预先配置的用于指示与其他备选PUCCH相对应的PUCCH资源的偏移量,所述其他备选PUCCH是所述多个备选PUCCH中除了所述首个备选PUCCH之外的任一个备选PUCCH;
第三信道确定子模块424,被配置为将所述第二索引值所指示的PUCCH作为所述其他备选PUCCH。
参照图28,图28是根据图27所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第一索引值确定子模块421包括:
第二索引值确定单元4211,被配置为根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述第一索引值;
其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
参照图29,图29是根据图26所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第四确定模块420包括:
第四确定子模块425,被配置为根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一个目标PUCCH和组HARQ结果。
参照图30,图30是根据图26所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述装置还包括:
分组模块440,被配置为如果所述多个目标HARQ结果的总数目超过预设数目,则对所述多个目标HARQ结果进行分组,获得多个HARQ分组;
预处理结果确定模块450,被配置为根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果;
第五确定模块460,被配置为根据所述多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载所述预处理组HARQ结果的PUCCH,所述预处理组HARQ结果和所述目标资源用于 表征所述多个预处理HARQ结果;
第三发送模块470,被配置为通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
参照图31,图31是根据图26所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述装置还包括:
第二反馈时间确定模块480,被配置为确定目标反馈时间点;
所述第二发送模块430包括:
第三发送子模块431,被配置为在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
参照图32,图32是根据图31所示实施例的基础上示出的另一种混合自动重传请求HARQ反馈装置框图,所述第二反馈时间确定模块480包括:
第二子帧确定子模块481,被配置为确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;
第二反馈时间确定子模块482,被配置为将发送目标子帧的时间点作为所述目标反馈时间点。
对于装置实施例而言,由于其基本对应于方法实施例,所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的,其中上述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本公开方案的目的。本领域普通技术人员在不付出创造性劳动的情况下,即可以理解并实施。
相应地,本公开还提供了一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述任一项混合自动重传请求HARQ反馈方法。
相应地,本公开还提供了一种混合自动重传请求HARQ反馈装置,所述装置用于机器类通信MTC设备,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;
确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;
通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
相应地,本公开还提供了一种混合自动重传请求HARQ反馈装置,所述装置用于机器类通信MTC设备,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;
根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;
通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH 到基站。
如图33所示,图33是根据一示例性实施例示出的一种混合自动重传请求HARQ反馈装置3300的一结构示意图。装置3300可以被提供为一MTC设备。参照图33,装置3300包括处理组件3322、无线发射/接收组件3324、天线组件3326、以及无线接口特有的信号处理部分,处理组件3322可进一步包括一个或多个处理器。
处理组件3322中的其中一个处理器可以被配置为用于执行上述任一所述的用于机器类通信MTC设备的混合自动重传请求HARQ反馈方法。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或者惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。
Claims (38)
- 一种混合自动重传请求HARQ反馈方法,其特征在于,所述方法用于机器类通信MTC设备,所述方法包括:确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求1所述的方法,其特征在于,所述根据所述多个目标HARQ结果,确定所述组HARQ结果,包括:根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
- 根据权利要求1所述的方法,其特征在于,所述根据所述多个目标HARQ结果,确定所述组HARQ结果,包括:根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;对所述多个目标HARQ结果进行分组,获得多个HARQ分组;对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应的组HARQ结果。
- 根据权利要求1所述的方法,其特征在于,所述根据所述多个目标HARQ结果,确定所述组HARQ结果,包括:将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果。
- 根据权利要求1所述的方法,其特征在于,所述确定一个目标物理上行控制信道PUCCH,包括:确定所述目标资源对应的目标索引值;PUCCH将所述目标索引值所指示的PUCCH作为所述目标PUCCH。
- 根据权利要求5所述的方法,其特征在于,所述确定所述目标资源对应的目标索引值,包括:根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述目标索引值;其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
- 根据权利要求1所述的方法,其特征在于,所述确定一个目标物理上行控制信道PUCCH,包括:接收所述基站通过第一目标信令发送的包括多个备选PUCCH的PUCCH集合;接收所述基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息;根据所述资源指示信息,在所述PUCCH集合中,将与所述目标资源对应的备选PUCCH作为所述目标PUCCH。
- 根据权利要求1所述的方法,其特征在于,所述通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站,包括:通过所述目标资源承载所述组HARQ结果,并按照PUCCH的预设格 式发送所述目标PUCCH到基站。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:确定目标反馈时间点;所述通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站,包括:在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求9所述的方法,其特征在于,所述确定目标反馈时间点,包括:确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;将发送目标子帧的时间点作为所述目标反馈时间点。
- 一种混合自动重传请求HARQ反馈方法,其特征在于,所述方法用于机器类通信MTC设备,所述方法包括:确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求11所述的方法,其特征在于,采用以下方式确定多个备选PUCCH,包括:确定第一索引值,所述第一索引值是所述多个备选PUCCH中的首个 备选PUCCH所对应的资源索引值;将所述第一索引值所指示的PUCCH作为所述首个备选PUCCH;根据所述第一索引值和第二目标偏移量,确定第二索引值;其中,所述第二目标偏移量是预先配置的用于指示与其他备选PUCCH相对应的PUCCH资源的偏移量,所述其他备选PUCCH是所述多个备选PUCCH中除了所述首个备选PUCCH之外的任一个备选PUCCH;将所述第二索引值所指示的PUCCH作为所述其他备选PUCCH。
- 根据权利要求12所述的方法,其特征在于,所述确定第一索引值,包括:根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述第一索引值;其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
- 根据权利要求11所述的方法,其特征在于,所述根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果,包括:根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一个目标PUCCH和组HARQ结果。
- 根据权利要求11所述的方法,其特征在于,所述方法还包括:如果所述多个目标HARQ结果的总数目超过预设数目,则对所述多个目标HARQ结果进行分组,获得多个HARQ分组;根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果;根据所述多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果;所述目标PUCCH 是所对应的目标资源用于承载所述预处理组HARQ结果的PUCCH,所述预处理组HARQ结果和所述目标资源用于表征所述多个预处理HARQ结果;通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求11所述的方法,其特征在于,所述方法还包括:确定目标反馈时间点;所述通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站,包括:在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求16所述的方法,其特征在于,所述确定目标反馈时间点,包括:确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;将发送目标子帧的时间点作为所述目标反馈时间点。
- 一种混合自动重传请求HARQ反馈装置,其特征在于,所述装置用于机器类通信MTC设备,所述装置包括:第一确定模块,被配置为确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;第二确定模块,被配置为根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;信道确定模块,被配置为确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的 PUCCH;第一发送模块,被配置为通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求18所述的装置,其特征在于,所述第二确定模块包括:第一转换子模块,被配置为根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;第一确定子模块,被配置为对所述多个目标HARQ结果各自所对应的二进制值进行逻辑与运算,将运算结果作为所述组HARQ结果。
- 根据权利要求18所述的装置,其特征在于,所述第二确定模块包括:第二转换子模块,被配置为根据预设的HARQ结果与二进制值的对应关系,将所述多个目标HARQ结果分别转换为相应的二进制值;分组子模块,被配置为对所述多个目标HARQ结果进行分组,获得多个HARQ分组;第二确定子模块,被配置为对每个HARQ分组中所包括的目标HARQ结果各自对应的二进制值进行逻辑与运算,将运算结果作为当前HARQ分组所对应的组HARQ结果。
- 根据权利要求18所述的装置,其特征在于,所述第二确定模块包括:第三确定子模块,被配置为将所述多个目标HARQ结果顺序排列后,依次进行信道编码、加扰、调制,获得所述组HARQ结果。
- 根据权利要求18所述的装置,其特征在于,所述信道确定模块包括:目标索引值确定子模块,被配置为确定所述目标资源对应的目标索引值;第一信道确定子模块,被配置为PUCCH将所述目标索引值所指示的 PUCCH作为所述目标PUCCH。
- 根据权利要求22所述的装置,其特征在于,所述目标索引值确定子模块包括:第一索引值确定单元,被配置为根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述目标索引值;其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
- 根据权利要求18所述的装置,其特征在于,所述信道确定模块包括:第一接收子模块,被配置为接收所述基站通过第一目标信令发送的包括多个备选PUCCH的PUCCH集合;第二接收子模块,被配置为接收所述基站发送的第二目标信令,所述第二目标信令中携带用于指示所述目标资源的资源指示信息;第二信道确定子模块,被配置为根据所述资源指示信息,在所述PUCCH集合中,将与所述目标资源对应的备选PUCCH作为所述目标PUCCH。
- 根据权利要求18所述的装置,其特征在于,所述第一发送模块包括:第一发送子模块,被配置为通过所述目标资源承载所述组HARQ结果,并按照PUCCH的预设格式发送所述目标PUCCH到基站。
- 根据权利要求18所述的装置,其特征在于,所述装置还包括:第一反馈时间确定模块,被配置为确定目标反馈时间点;所述第一发送模块包括:第二发送子模块,被配置为在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求26所述的装置,其特征在于,所述第一反馈时间确定模块包括:第一子帧确定子模块,被配置为确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;第一反馈时间确定子模块,被配置为将发送目标子帧的时间点作为所述目标反馈时间点。
- 一种混合自动重传请求HARQ反馈装置,其特征在于,所述装置用于机器类通信MTC设备,所述装置包括:第三确定模块,被配置为确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;第四确定模块,被配置为根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;第二发送模块,被配置为通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求28所述的装置,其特征在于,所述第四确定模块包括:第一索引值确定子模块,被配置为确定第一索引值,所述第一索引值是所述多个备选PUCCH中的首个备选PUCCH所对应的资源索引值;第二信道确定子模块,被配置为将所述第一索引值所指示的PUCCH作为所述首个备选PUCCH;第二索引值确定子模块,被配置为根据所述第一索引值和第二目标偏移量,确定第二索引值;其中,所述第二目标偏移量是预先配置的用于指 示与其他备选PUCCH相对应的PUCCH资源的偏移量,所述其他备选PUCCH是所述多个备选PUCCH中除了所述首个备选PUCCH之外的任一个备选PUCCH;第三信道确定子模块,被配置为将所述第二索引值所指示的PUCCH作为所述其他备选PUCCH。
- 根据权利要求29所述的装置,其特征在于,所述第一索引值确定子模块包括:第二索引值确定单元,被配置为根据目标起始位置对应的数值、目标搜索空间CCE索引值和第一目标偏移量,确定所述第一索引值;其中,所述目标起始位置是高层信令配置的用于承载HARQ结果的PUCCH所对应的资源的起始位置,所述目标CCE索引值是与所述当前PDCCH对应的最小的CCE索引值,所述第一目标偏移量是所述当前PDCCH承载的用于反馈HARQ结果的PUCCH资源的偏移量。
- 根据权利要求28所述的装置,其特征在于,所述第四确定模块包括:第四确定子模块,被配置为根据多个目标HARQ结果、目标资源和组HARQ结果之间的预设映射关系,在多个备选PUCCH中确定一个目标PUCCH和组HARQ结果。
- 根据权利要求28所述的装置,其特征在于,所述装置还包括:分组模块,被配置为如果所述多个目标HARQ结果的总数目超过预设数目,则对所述多个目标HARQ结果进行分组,获得多个HARQ分组;预处理结果确定模块,被配置为根据每个HARQ分组所包括的所有目标HARQ结果,确定每个HARQ分组所对应的预处理HARQ结果;第五确定模块,被配置为根据所述多个预处理HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和预处理组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载所述预处理组HARQ结果的PUCCH,所述预处理组HARQ结果和所述目标资源用于表征所述 多个预处理HARQ结果;第三发送模块,被配置为通过所述目标资源承载所述预处理组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求28所述的装置,其特征在于,所述装置还包括:第二反馈时间确定模块,被配置为确定目标反馈时间点;所述第二发送模块包括:第三发送子模块,被配置为在到达所述目标反馈时间点时,通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 根据权利要求33所述的装置,其特征在于,所述第二反馈时间确定模块包括:第二子帧确定子模块,被配置为确定目标子帧;所述目标子帧是与备选子帧间隔预设子帧数目的第一个有效子帧,所述备选子帧是当前PDCCH所调度的多个PDSCH中最后一个PDSCH所在的子帧;第二反馈时间确定子模块,被配置为将发送目标子帧的时间点作为所述目标反馈时间点。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求1-10任一所述的混合自动重传请求HARQ反馈方法。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求11-17任一所述的混合自动重传请求HARQ反馈方法。
- 一种混合自动重传请求HARQ反馈装置,其特征在于,所述装置用于机器类通信MTC设备,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物 理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;根据所述多个目标HARQ结果,确定组HARQ结果;所述组HARQ结果用于表征所述多个目标HARQ结果;确定一个目标物理上行控制信道PUCCH;所述目标PUCCH是所对应的目标资源用于承载所述组HARQ结果的PUCCH;通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
- 一种混合自动重传请求HARQ反馈装置,其特征在于,所述装置用于机器类通信MTC设备,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:确定多个目标HARQ结果;所述多个目标HARQ结果是多个目标物理下行共享信道PDSCH各自所对应的HARQ结果,所述多个目标PDSCH是由当前物理下行控制信道PDCCH所调度的多个PDSCH;根据所述多个目标HARQ结果,在多个备选物理上行控制信道PUCCH中确定一个目标PUCCH和组HARQ结果;所述目标PUCCH是所对应的目标资源用于承载组HARQ结果的PUCCH,所述组HARQ结果和所述目标资源用于表征所述多个目标HARQ结果;通过所述目标资源承载所述组HARQ结果,并发送所述目标PUCCH到基站。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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CN103109484A (zh) * | 2010-09-17 | 2013-05-15 | Lg电子株式会社 | 用于在无线通信***中发送多个接收应答信息的方法和设备 |
US20140169242A1 (en) * | 2011-10-06 | 2014-06-19 | Lg Electronics Inc. | Method for transmitting control information and apparatus for same |
CN107277923A (zh) * | 2016-04-01 | 2017-10-20 | 华硕电脑股份有限公司 | 无线通信***中改善使用配置资源的传输的方法及装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008054235A (ja) * | 2006-08-28 | 2008-03-06 | Matsushita Electric Ind Co Ltd | 変調方式判定装置、受信装置、変調方式判定方法及び変調方式判定プログラム |
KR101172520B1 (ko) | 2006-10-16 | 2012-08-10 | 노키아 코포레이션 | 무선 액세스 네트워크에서의 프로토콜 데이터 유닛 통신 |
CN101345608B (zh) * | 2007-07-13 | 2011-08-17 | 电信科学技术研究院 | 管理多载波tdd上行的harq进程的方法及装置 |
CN101442818B (zh) | 2008-12-31 | 2012-07-18 | 中兴通讯股份有限公司 | 大带宽***物理上行控制信道的指示方法 |
CN102098151B (zh) | 2010-12-28 | 2015-08-12 | 中兴通讯股份有限公司 | 一种正确/错误应答消息的发送方法及用户终端 |
US8718003B2 (en) | 2011-06-20 | 2014-05-06 | Samsung Electronics Co., Ltd. | System and method for an uplink control signal in wireless communication systems |
WO2013055128A2 (ko) | 2011-10-11 | 2013-04-18 | 엘지전자 주식회사 | 무선 접속 시스템에서 번들링 스케줄링 방법 및 이를 위한 장치 |
US9191469B2 (en) | 2013-02-20 | 2015-11-17 | Qualcomm Incorporated | Acknowledgement (ACK) type indication and deferral time determination |
US11432369B2 (en) * | 2018-06-19 | 2022-08-30 | Apple Inc. | Reference signal and control information processing in 5G-NR wireless systems |
-
2018
- 2018-08-08 ES ES18929296T patent/ES2974293T3/es active Active
- 2018-08-08 PL PL18929296.4T patent/PL3836442T3/pl unknown
- 2018-08-08 US US17/266,087 patent/US11777659B2/en active Active
- 2018-08-08 CN CN202210028818.9A patent/CN114257351A/zh active Pending
- 2018-08-08 CN CN201880001767.2A patent/CN109155703B/zh active Active
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102835057A (zh) * | 2010-04-01 | 2012-12-19 | Lg电子株式会社 | 控制信息发送方法及其设备 |
CN103109484A (zh) * | 2010-09-17 | 2013-05-15 | Lg电子株式会社 | 用于在无线通信***中发送多个接收应答信息的方法和设备 |
US20140169242A1 (en) * | 2011-10-06 | 2014-06-19 | Lg Electronics Inc. | Method for transmitting control information and apparatus for same |
CN107277923A (zh) * | 2016-04-01 | 2017-10-20 | 华硕电脑股份有限公司 | 无线通信***中改善使用配置资源的传输的方法及装置 |
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EP3836442A1 (en) | 2021-06-16 |
US11777659B2 (en) | 2023-10-03 |
ES2974293T3 (es) | 2024-06-26 |
EP3836442A4 (en) | 2021-08-11 |
EP3836442B1 (en) | 2024-02-28 |
CN109155703A (zh) | 2019-01-04 |
CN114257351A (zh) | 2022-03-29 |
PL3836442T3 (pl) | 2024-05-06 |
CN109155703B (zh) | 2022-01-25 |
US20210314093A1 (en) | 2021-10-07 |
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